Repair Corrupt Video Files on Windows & Mac| Repair MP4, MOV, AVI Files


 It is annoying to see your favorite videos not playing in any video players or displaying errors constantly while playing. This could be due to some underlying issue or video file corruption. When videos get corrupt, it becomes unreadable and unplayable. With the help of methods explained in the article, you can repair video files in almost all video file formats.

Table of contents

Why do video files get corrupted?
How to Repair Corrupt or Damaged Video Files? (MOV, MP4, AVI)
Easiest Way to Repair Video Files- SFWare Video Repair Tool
Tips to avoid video corruption

Why do video files get corrupted?

Video files can get corrupted due to multiple reasons. Here are a few reasons why your videos files get corrupted-

    1. A video file can corrupt while encoding or transferring a video via networks.
    2. Corruption in storage media could lead to video file corruption on the drive.
    3. Bad sectors on the hard drive are one of the common reasons that make your video files corrupt.
    4. Viruses or malware can damage the videos, resulting in the damaged codec, broken headers, and indexes.

When videos get corrupt, videos start to get choppy. When videos get lagging and stutter, you won’t be able to play them continuously.

How to Repair Corrupt or Damaged Video Files? (MOV, MP4, AVI, other formats)

Several methods can help you repair video files. Here are a few simple yet effective techniques to help you repair video files without hassle.

Use VLC Media player to fix video files (Windows & Mac)

Using QuickTime Player to repair corrupt or damaged videos (Mac)

Use SFWare Video Repair Tool to Repair Videos

For Windows & Mac Users- Use VLC Media Player to Fix Video Files  

The VLC media player is an open-source media player with a built-in code system that helps you repair basic corruption in any video file format. In addition, the VLC media player contains a unique codec library compatible with all video file formats. Therefore, the VLC media player can work with any file format compatible with the codec it has and repair damaged or corrupted video files without any hassle.
VLC Player to repair videos

Important Note: Ensure you always use a copy of the original video for repair. Avoid working on original video files to evade further corruption during the process.

Steps to repair videos using VLC media player

First, take a copy of your videos (be it any file format other than AVI) convert into AVI or change the file extension to .AVI.

    • Download the VLC media player on your computer. Open the video file in VLC Media Player.
    • From the top menu, go to Tools > Select Preference > Input & Codecs.
    • Select Always Fix from the drop-down next to the Repair AVI file.
    • Click on Save. Now check at the saved location if the video is playing without any problem.

Note: What if your VLC is not playing? How do you fix it? Click here to learn different methods to fix VLC not playing.

Using QuickTime Player to repair corrupt or damaged videos (Mac)

QuickTime is a framework created by Apple that supports playing, streaming, encoding, and transcoding in various video formats. You can repair any corrupt video files on Mac using QuickTime player.

    • Launch QuickTime Player and open the corrupt video file or import the corrupt video file
    • Navigate to Windows tab and click on Show Movie Inspector
    •  Now, you will be able to view the properties of the video file such as Movie FPS, Movie format, pixel information, duration, data rate, size, etc.
    • If the video file is damaged, QuickTime Player will display a black screen error message with its details
    •  You can further search for the specific video error code online and find a way to fix it. Or the best way to repair a video file is to use a third-party video repair tool.SFWare Video Repair Tool is an effective tool that can repair damaged or corrupted videos easily in 3 steps. It can fix videos, errors damaged by a malware infection, a bad sector, or other reasons.

Use SFWare Video Repair Tool to Repair Video

To repair corrupt video files, download and install the professionals recommended SFWare Video Repair Tool on your computer and follow the steps given below-

Free Download for WindowsFree Download for Mac

Step 1: Select MOV/MP4 or AVI Repair from the main screen. Select video files from the screen.
repair videos using SFWare

Step 2: Provide any healthy working video file of the same format and a corrupt file that you want to repair. Click on the Repair button. The tool needs a healthy file to compare and repair the corrupt video file.
click on Repair button

Step 3: After the completion of the repairing process, Preview the repaired video file and Save the file in your desired location.

SFWare repair tool-repairing the corrupt video

Tips to avoid Video corruption

    • First, install an antivirus on your system that avoids any damage causing viruses or malware
    • If your videos are saved on the external drive, carefully insert/eject the external drive to the computer.
    • Always make sure to take a copy of the original file before you work on it
    • Make sure you are downloading or transferring videos using secure channels.


With all the above methods, you can repair the video file corruption without any issues. However, avoiding videos getting corrupted for specific reasons such as viruses or malware is always recommended. If you face any such situation, you can use the SFWare video repair tool to fix any video errors.

Frequently Asked questions

Can Corrupt Files Be Repaired?

Yes, when a video file is corrupted, it is not the whole video that is corrupted. Instead, it could be a broken header or index, damage in the frame rate, or bad sectors on the drive where videos are stored. Therefore, you can quickly repair the corrupt videos with the proper codec to fix the issue. The easiest way to fix videos is by using an open-source VLC media player app.

Can VLC Fix Damaged Videos?

Yes, VLC media players can quickly fix the videos. The VLC media player has various codec library that is compatible with almost all video formats. However, along with repairing, you can also convert the video format to another video file format. If your VLC player keeps crashing while repairing, click here to fix the issue.

How do I recover a corrupted video?

Corrupt videos can quickly be recovered using any professional recovery software. However, recovering corrupt videos doesn’t make your videos play unless it is repaired. With the SFWare Data recovery tool, you can recover videos from a corrupt SD card drive or hard disk and make them play. However, to play corrupt videos, you must repair videos.

What to do when USB is Not Showing Up on Mac?


Are you unable to access your USB data because your Mac does not recognize the USB Flash drive? Don’t worry, read this article to know easy methods to fix USB not recognized in Mac issue.

Table of contents:

Why is the flash drive not showing up on the Mac?

How to fix the USB drive not showing up on Mac?

Basic Checks to Fix USB is Not Showing Up on Mac

Fix USB not recognized on Mac- 4 Ways

How to access data from unrecognized USB on Mac?


Mac won’t show up or not recognize the USB drive is the most common problem that USB users experience.  Here are a few symptoms and reasons that help you understand the cause behind the problem.

Why is my flash drive not showing up on Mac?

There are several reasons behind USB flash drive not recognized by Mac, a few common of them are listed below:

Problem with USB port: A loose or broken port connection may cause Mac to not recognize the USB. In such situations, all you can do is verify the connection of USB with Mac. Therefore, you will be able to find the problem with the port or cable.

Problem with USB formatting: It is important to format the flash drive before its first use. If the USB is not formatted, this could lead to the problem of the USB drive not showing up on the Mac.

USB Driver Issue: If the USB driver is outdated or corrupted the problem USB drive not showing up on Mac could be encountered.

Compatibility issue:  If the operating system is not regularly updated on your Mac OS, it may affect your system’s ability to recognize Flash drives.

Symptoms of USB not showing up on Mac

Here are a few signs that indicate your USB not showing up on Mac:

    1.   When you insert your flash drive on Mac, a notification pops up on the window about the connection on your system. If your Mac doesn’t show any notification, it is a possible sign of Mac not recognizing your USB device.
    1.   All Macintosh operating systems are integrated with Finder. Finder acts as a file manager by default and a GUI for Mac. When you connect a USB Flash drive to your Mac PC, a message pops on the Finder. If you didn’t see a message, it means that Mac is unable to read the USB.

When you encounter the above scenarios of external drive not recognized on Mac, all you must do is fix the issue immediately. Before fixing the problem, here are basic checks that you would prefer to perform.  

Quick Fixes for USB Not Showing Up on Mac

    1.   Check all your USB plug-in ports. Change the USB port and use the USB on other ports (ports from another MacBook as well). make sure you try all the accessible USB ports on your Mac.
    2.  At times, your Mac might recognize the USB but not shown in the notification. In such situations, just follow the simple procedure to make it visible on your Mac.

Go to Finder >> Preferences >> General, make sure to check the “External disks” box. Now, you’ll see the USB flash drive showing up on Mac.

    1. When you are not able to find the USB of your Mac or Finder, try to verify once in the System Information section. You can also check the USB flash drive information.

Go to Applications >> Utilities >> System Information Check if the system recognizes the USB drive. If you see USB in the system information, it is likely that your Mac recognizes the USB.

    1.   A problem could be with outdated firmware or software. Check whether your Mac is up-to-date. Also, keep check with firmware updates, various hardware issues and the scalability of the USB ports.  

If you tried all the above basic fixes and are still unable to find USB in your Mac, try the methods explained in the next section.

 4 Ways to Fix USB Is Not Showing Up on Mac

Follow the steps carefully for fixing the problem of Mac not recognizing the USB flash drive:

Method 1: Detect a USB drive by Resetting the USB ports on Mac

      1.   Restart Mac computer >> press the Command +Option+P+R keys for the Apple logo appears.
      2.   Press Command+Option+Esc keys together to close all applications.
      3.   Now, plug the USB which is not showing up to your Mac computer. If the USB flash drive is not recognized by Mac, click on the Apple icon and select Sleep.
      4. Later, wake up the computer, by pressing any key. Now shut down the Mac, unplug the power cord and reattach the USB flash drive after a few seconds.

      If this method doesn’t help you detect the USB on Mac, follow the next methods explained below.

If this method doesn’t work for you to detect the US on Mac, follow the next methods to explained in the section.

Method 2: Repair USB flash drive with First Aid

If USB flash drive is not showing up on Mac due to corruption, this method might just help you fix it. Every Mac computer comes with an in-built troubleshooting tool called First Aid in Disk Utility. The function of this utility is to detect the disk issues related to file systems and fix it.


    1.   Go to Applications >> Utilities >> Disk Utility.
    2.   Select USB flash drive on the left panel of Disk Utility
    3.   Click First Aid at the top toolbar >> click Run.
    4.   Select the USB drive >> click Unmount at the top toolbar,

    Unplug the USB and plug it back in after sometime. Surely, Disk Utility will repair any errors on the drive automatically and fix the problem of Mac not recognizing the USB flash drive.

    Method 3: Check and fix errors with Terminal to fix undetected USB on Mac

    1.   Open Terminal in Utilities and type: diskutil list >> press Return
    2.   Now, find the disk number of your USB flash drive and type: diskutil info disk2 and press Return. (Make sure you replace number 2 with the disk number of your USB flash drive.)
    3.   Type: diskutil eject disk 2 >> press Return
    4.   Type: diskutil list >> press Return. USB drives will not be appearing on the list now. close the window.
    5.   Now, close Terminal and open Console to check for any drive errors. Click on Errors and Faults to check if there are any errors.

    At last, reconnect your USB flash drive back to Mac, if no error shows up, your USB flash drive is safe and should be recognized by Mac

Method 4: Reformat the drive that is not showing up on Mac

As reformatting the drive will erase all the data from the USB, make sure you have the back up of the data. If you do not have any backup and still your USB is not detected by Mac, you can recover data from the Mac systems before you reformat the USB drive.

Steps to recover data before reformatting USB flash drive on Mac

Download and install the SFWare USB data recovery software for Mac on your computer. Connect your USB that was not recognized by Mac and launch the application. Follow the steps to recover data from the USB on Mac.

Free Download for Mac

    1.   Select Recover Drive/Partitions from the main screen. Choose Drive/Partition Recovery from the next window.
    2.   Select the unrecognized USB drive from the listed list of available drives to recover data. And click on NextSelect USB drive from the list on Mac
    3.   Select the file types that you would want to recover from the USB drive on Mac and click on Next. This initiates the scan for the formatted data from the USB.
      Select the file types you want to recover from USB
    4.   Recoverable data from the USB drive is listed on the screen. Select the data you want to save on your computer and click on Save. You can also save the recovery session and resume incase if you have to stop the recovery process in between.

As mentioned above method, reformatting will surely fix the problem of USB being unable to be detected by Mac. However, the same will cost your important data saved on the USB. In such a situation, all you need is the safe and secure data recovery software to recover formatted data from the Mac.

Steps To format the USB drive in Disk Utility:

Disk reformatting basically helps you fix several USB issues, including the not showing up USB on both windows and Mac.

      1.   Go to Utilities >> open Disk Utility.
      2.   Select the not showing up USB flash drive in the Disk Utility sidebar.
      3.   Click Erase on the top.


USB not showing up or not recognized on Mac is a common problem that users face. This can be solved with the help of the methods mentioned above in the article. If you ever come across data loss scenarios, you can always rely on the SFWate USB data recovery software to recover data from any sort of USBs.

Frequently Asked Questions:

How to recognize the USB on Mac?

To recognize the USB on Mac, you can make use of the basic checks with the USB ports or connection with Mac. If this is due to corrupt USB, you might have to try repairing USB with Disk Utility or with Terminal. The best method could be to reformat it. Also, you can update the software and firmware to fix unrecognized or undetected USB on Mac.

How to find the USB on Mac?

When you connect the USB Flash drive on the system, Mac OS will automatically read the Flash drive. A window will pop-up showing the content of the drive. If you are not able to see it, you can access it through Finder.

PowerPoint Files Recovery: Recover Deleted or Unsaved PPT/PPTX/PPS Files


Lost your PowerPoint presentation files? Worried about losing your unsaved PPT files? Do not worry, this article is a go to guide to recover PowerPoint files. Be it deleted, lost or unsaved PowerPoint files, with the help of the methods explained here, you will be able to recover PowerPoint files without any hassle.


Recover Deleted Unsaved PowerPoint Files

PowerPoint is one of the most widely used software across the globe both in education and business sectors.  We all know how tedious it is to design a presentation and losing these files can prove to be very costly.  With the help of methods mentioned below, you will be able to recover PowerPoint files from any storage devices(internal/external).

Quick Navigation for Rapid Recovery of PPT Files

Scenarios Recovery from Windows OS Recovery from Mac OS
Deleted PowerPoint Files 1. Recycle Bin

2.  File History

3. Use SFWare Data Recovery Software for Windows

1. Mac Trash

2. Time Machine

3. Use SFWare Data Recovery Software for Mac

Unsaved PowerPoint Files 1. Auto Recovery Feature of PowerPoint Application

2. Recover unsaved File Feature

1. Auto Recovery Feature of PowerPoint

2. Recover unsaved File Feature

How do I Recover Deleted PowerPoint files?

If you have deleted your PPT files accidentally you can easily recover using Recycle Bin in Windows and Mac Trash in macOS. If you have deleted your PowerPoint files using Shift Delete keys or rm commands, it surpasses the Recycle Bin and Trash. Therefore, this method cannot be used to recover files.

For Windows OS Users:

Recover Deleted PowerPoint Files from Recycle Bin

To recover PPT files from Bin, click on the Recycle Bin icon on your desktop. Once you open the folder, you will see all recently deleted files, Right Click on the PPT file you want to recover and Select Restore. Once you click on Restore, the files will be sent back to its original location.

Recover PPT files using File History

File History is the built-in backup feature in Windows, that helps you to restore files from the previous versions.

Note: This method is helpful only if you have set the backup point or enable it before you lose your PowerPoint files from the computer.

  1. Click on Start menu and type Control Panel>> Select System & SecurityRecover PowerPoint files using File History
  2. Select the option labelled File History >> Restore files with File History
  3. Select the file/s you want to restore and click the Restore button

For Mac Users:

Recover Deleted PowerPoint Files from Mac Trash

To recover PPT/PPTX files, go to the Trash icon on the dock of your Mac. Once the folder is opened, find and select the PPT or PPTX file you wish to recover. Now, right-click and select the Put Back option to restore it to its original location. Or you can just drag and drop the selected file to another folder.

Recover Deleted PPT Files from Mac Time Machine

Time Machine is a built-in back up feature for Mac operating systems. To make use of the application, you need to enable the option. If you have not enabled the feature, this method won’t help you in recovering PPT files.

  1. Open Spotlight [Command + Spacebar] >> type Time Machine
  2. Navigate through the folders to locate your PPT or PPTX file from available backups.
  3. Now, after selecting the PPT files, click on Restore

Recover Deleted or Lost PowerPoint Files using SFWare Data Recovery Software

For Windows Users:

Download the SFWare Data Recovery Software on your computer and Launch the application.

Free Download for Windows

1: Select Recover Deleted Files from main screen
Recover Deleted PowerPoint Files on Windows

2: Next, select the drive from where deleted PPT files are to be recovered and click on the Next button.

Select the drive to recover deleted PPT files

3: Now, all the recoverable files will appear on the screen. Next, double click on any file to preview.

Preview the recovered PPT files

4: Select the files you need and save them in any desired location.

For Mac Users:

Download the SFWare Data Recovery Software for Mac and install it. Launch the application on your Mac computers.

Free Download for Mac

1: Run the application and click on Recover Files from the home screen

Two options are provided – Recover deleted files and Recover lost files. Select the option based on your data lost scenarios.
Recover deleted PPT files on Mac

2: Select the drive from which data needs to be recovered
Select Mac Volume to recover PPT files

3: After completion of the scanning process, recoverable files are displayed.
Recover PowerPoint files from Mac using Data or File type view

4: Select required files from the list and preview them in Mac finder style. If you’re satisfied with the result, save them in any desired location.
Preview recovered PPT files on Mac

By the end of the recovery process, you should have all your deleted PPT files restored successfully at the destination you picked. But remember not to save recovered files to the same drive from where the deleted file recovery has been done.

How to Recover Unsaved PowerPoint Files in Windows and Mac Computers?

To recover PowerPoint files that are not saved, PowerPoint provides features that can help recover your unsaved or lost files. All PowerPoint application versions from 2010 and onwards have the Auto Recovery feature and the Recover Unsaved Presentations option.

Recover Unsaved PPT/PPTX Files using Auto Recovery Feature

Note: You can recover unsaved files using Auto Recovery only if it is enabled. If you have not turn on the option, to enable this feature, you must ensure that the AutoRecover information option is turned on.

Verify AutoRecover on Windows: Open any File >> Options >> Save >> Save Presentations >> Save Auto-Recover info

Verify AutoRecover on Mac: Open PowerPoint >> PowerPoint Preferences >> Save >> Save Options >> Save AutoRecover info

Steps to Recover Unsaved PowerPoint Files on Windows

Open the PowerPoint>> go to File >> Info >> Manage Versions >> Recover Unsaved Presentations.

Steps to Recover unsaved PowerPoint Files on Mac

  1. Open a Finder window on your Mac.
  2. Select the entire computer as the location >> enter ‘AutoRecovery’ in the Search field.
  3. Double-click on the PPT file to be recovered. Select the File menu and choose Save A

You can find the recovered PPT files in the given location.

Tips to avoid Data Loss in future

Having a regular backup is a great way to combat data loss. Hence, keep more than one backup of your PPT/PPTX file.

In case if you happen to lose data due to device crashes or drive corruption, you can always rely on the backup data. In case if you have no backup, you can always seek a help of the data recovery software.

Start the data recovery process immediately. The longer you wait, the restoration chances of files would become more uncertain.

How to Repair Corrupt/Damaged SD Card?


Trouble accessing data from the SD card? This may be due to corruption or damage on SD card. With the help of approaches explained in the article, not only you can fix the SD card but also, recover data from the corrupt SD card and access your data from the drive.

Quick Navigation:

How do I know my SD card is corrupted?
How to fix corrupt SD card without formatting?
How to fix corrupt SD card by formatting?
How to fix corrupt SD card on Mac?
Frequently Asked Questions

SD cards are the most popularly used storage devices. From digital cameras, camcorders and other portable devices; they are widely used for their portability and ease of use.

If you are facing trouble accessing your favorite videos or photos stored on SD card, it is most probably due to corruption. SD card corruption can also make it RAW or unreadable. If you are wondering how do you know if your SD card is corrupted? In the next section of the article, you will be able to understand the indications of the corrupt SD card and how they stop you from accessing your data.

Indications of a Corrupt SD Card

Here are some of the signs that indicates your SD card may be corrupt or damaged. If you ever encounter any of the following indications it is suggested to take a back up of your data before you try to fix the SD card.

A black screen appears along with an error message SD card is not accessible. The file or directory is corrupted and unreadable. The error indicates that the drive has a bad sector leading to the file system damage.

Error messages appear like – Read or Write error on SD card when SD card is corrupted. This error indicates that you will be no longer be able to read any data from the SD card or write any data on it.

SD card cannot be recognized on the device. When your device fails to read the SD card, the error is displayed. When such errors occur, try fixing your corrupt SD card immediately to avoid any data loss situation.

SD card turns RAW or unreadable is the error that occurs when the drive has a problem in its file system.  It could be a sign of no file system found or damaged/corrupt file system.

If you continuously encounter any of the above-mentioned error messages, stop using the SD card immediately and follow the below mentioned methods to repair a corrupt SD card.

How to Fix Corrupt or Damaged SD Card Without Formatting?

Before trying the repairing methods, try reading it with a different card adapter or card reader to. Also try using SD card on another device to verify if the trouble you are experiencing is either caused by your computer or SD card. Here are a few ways that helps you fix corruption on SD card without losing your valuable data.

  • Change the drive letter
  • Reinstall the SD card drivers
  • Update the SD card drive
  • Fix corrupted SD card using CMD or CHKDSK
  • Repair the SD card using the Disk part Command
  • Fix SD Card Using Windows Repair Tool

How to Fix Corrupt SD card by Formatting?

  • Fix corrupted RAW SD card by reformatting
  • Format the error causing SD card

How to Repair Corrupt SD card on Mac?

  • Fix SD card using Disk Utility

6 Methods to Repair Corrupt SD card without Losing a Data

Method 1: Change the Drive Letter to Fix Inaccessible SD card

When your computer fails to assign a drive letter to the storage device, SD card becomes inaccessible. To solve the problem, you need to assign a new drive letter to the SD card.

Disk management to fix corrupt SD card

Step 1: Right-click on the start button, Open Disk Management

Step 2: Find your SD card and right-click on it

Step 3: Choose Change Drive Letter and Paths… from the list

Step 4: Click Change… and select a letter from the list.

You can check if the SD card is readable now. If the issue is still not fixed, try reinstalling the driver to fix corrupt SD card problem using the steps in next section.

Method 2: Reinstall the Drive to fix SD card undetected

If your SD card is not detected by your computer, uninstall the drive and try reinstalling. Follow the below-given instructions:
device manager uninstall device

Step 1: Right-click on the start button, click on Device Manager.

Step 2: Expand Disk Drives, right-click on the name of your removable drive and click Uninstall.

Step 3: Click OK. Disconnect the SD card from your computer.

Step 4: Restart your computer and then connect the SD card to your computer again and check if its is being detected.

Windows will install the latest driver automatically and make the SD card detectable. If reinstalling the driver doesn’t fix the problem in the SD card, you can try updating the driver to fix the issue in the SD card.

Method 3: Update the Driver if SD Card is unrecognized

To update the drive, follow the until the second step in Method 2. Select update driver. Once the driver is updated, the computer should automatically be able to detect the SD card.

If the issue is still not fixed, try repairing corrupt SD card using Diskpart command.

Method 4: Diskpart command to fix Corruption on SD card

Diskpart command line helps you manage your computer’s drives free from any system errors.

Step 1: Connect the SD card to your computer and type cmd -> Run as administrator

Step 2: Type diskpart -> press Enter -> Type list disk -> press Enter

Step 3: Type select disk <number of your SD card on the list> and press Enter.

Step 4: Type recover -> Enter. This command will refresh the state of the SD card.

With the help of Diskpart command, you can easily fix the corruption and also recover the data if it is not severely damaged.

Method 5: Windows Repair Tool to Fix SD Card

Windows computer has an inbuilt tool for checking the drives for any system errors. When you insert any corrupt drive, your computer automatically detects and invoke the tool to scan for any damage on the drive. If you skipped the scan, here is the steps to repair SD card using Windows repair tool manually.

Error checking tool

Step 1: Go to My computer or This PC.

Step 2: Right-click on your SD card and select Properties

Step 3: Click Tools -> select the Check option -> Click Scan and repair drive

If any warning message is displayed stating that Windows can’t repair the drive while it’s in use, save your work on the SD card and choose to repair it now.

Method 6: Fix Corrupt/damaged SD Card Using CMD /CHKDSK

CHKDSK can be used to fix any logical errors in the device and also, verifies the integrity of the file system. Follow the steps to fix corrupt SD card using CHKDSK command-

Step 1: Connect your corrupted SD card to your computer to repair corrupt SD card

Step 2: Type in cmd in the search bar and press Enter

Step 3: Right-click Command Prompt/ cmd.exe and choose Run as administrator

Step 4: Type chkdsk G: /f in the command prompt, where G is the drive letter of your SD card.

The /f parameter allows CHKDSK to fix all the bad sectors on your memory card.

After completion of the repair process, restart your computer and reconnect the SD card.  If no error message appears, you have successfully repaired a corrupted SD.

Recover Data from the Corrupt SD card showing RAW Disk

You might not be able to fix the corrupt SD card using CHKDSK due to an error CHKDSK is not available for RAW drives. This happens when your SD card has turned RAW. When you encounter such error, formatting/reformatting the SD card is the way to repair the corrupt SD card. Unless you fix this error, you will be unable to access the drive and recover files from SD card.

However, reformatting or formatting process involves data loss scenarios. If your SD card holds any important data files, it is recommended to take a backup of it. If the card is severely corrupted you may not be able to take back up.  If you are wondering how to recover data from the corrupt SD card, here is the way out.

With the help of an automated SD card recovery tool, you can recover your important data without losing none of it. SFWare SD card recovery tool helps you retrieve your file from severely corrupt or damaged drives. The tool helps you recover data from any kind of SD cards including compact flash drives, microSD card, digital SD cards, SDHC, SDXC, Extreme Digital Picture cards.

Free Download for WindowsFree Download for Mac

Method 7: Fix Corrupted SD Card by Reformatting the drive

If your SD card has turned RAW, the only way to fix the corrupt SD card is to reformat it with NTFS/ Fat32 file system.

Step 1: Connect the corrupted SD card to your computer.

Step 2: Right-click on the Start button and select Disk management

Step 3: Locate your SD card using the disk information and right-click on it.

Step 4: Select Format and then you can select the file system to repair the corrupt SD card

Step 5: Click OK to finish reformatting

By reformatting, the corrupted SD card will be assigned with a new file system that is readable by your computer.

Method 8: Format the Error Causing SD Card to Fix Corruption

Formatting is a quick and effective way recreate a damaged file system and fix SD card. All you have to do is, go to This PC, right-click on your SD card and select Format.

Note: Make sure Quick Format box is unchecked because it only removes the address of the files. where as unchecking the Quick format, leads to Full format option which checks for any bad sectors on the drive as well.

If you were unable to take backup or recover data before performing formatting/ reformatting, don’t worry, with the help of SFWare SD card recovery, you can recover data from formatted SD cards.

How to Fix Corrupt SD card on Mac OS?

Disk Utility on Mac is the inbuilt application by Apple Inc that aids in verifying a disk’s integrity, checks for logical errors and repairs if the disk is damaged.

You can open Disk Utility using any one of the following methods:

1: Click Launchpad in the Dock -> type Disk Utility in the search bar -> click the Disk Utility icon

2: In the Finder, choose Go -> Utilities, then double-click the Disk Utility icon.

Step 1: Open Disk Utility program from the Utilities menu

Step 2: Select your SD card and click on First Aid tab

Step 3: Select the Repair disk button to initiate the repairing process of a corrupt SD card.

If any of the above-mentioned methods helped you in repairing the corrupt SD card, please let us know in the comment section below.

Frequently Asked question

How do I uncorrupt a corrupted SD card?

The best way to uncorrupt or repair SD card is using CMD or CHKDSK to fix bad sectors, using Windows Repair Tool to fix any errors and repair the SD card using the Disk part command

How do I fix a corrupted micro SD card Android?

To repair SD card on android phone, all you need to do is remove your SD card, connect to the card reader and connect to the computer. Once your SD card is connected to the computer, try the methods explained in the article and fix the corrupt or damaged SD card.

What happens if my SD card is corrupted?

When SD card is corrupted, you will not be able to access any data from it. SD card will not be read by the PC or recognized. Also, you may see the indication of SD card showing RAW file system. However, if you come across any of the indication, you need to recover data from corrupt SD card and fix the drive.

Why is my SD card corrupted?

SD card can get corrupt due to multiple reasons. Most common reasons are bad sectors on the drive, virus intrusion, using same SD card on multiple devices may cause damage to the files.

Repair Mac APFS/HFS+/HFS Partitions and Recover Corrupt Partition’s Data


If you APFS, HFS+ or HFS Partitions cannot be accessed on Mac, that could be a possibility of corrupt or damaged partition. This article helps you to understand the problem and better chance of accessing your data before it gets too late. Repair the Mac HFS+, APFS Partitions and recover the lost data from the drive efficiently.

Repair corrupt macOS using Disk Utility

APFS is the latest format used by the macOS. Your macOS Big Sur, Catalina, or Mojave are partitioned in APFS format in the internal storage drive. macOS Sierra or OS X Lion or any later versions internal drive is either partitioned with HFS+ or HFS format. Irrespective of the macOS version you are using, you can repair your Mac partition using the method described in the article.

When MacOS gets corrupted or damaged, the data stored in the drive cannot be accessed. Before heading to the solutions to fix the corrupt drive, let’s see some of the symptoms seen on the Mac APFS, HFS partitions.

Symptoms of corrupt or damaged Mac Partitions

  • Mac Applications unexpectedly quit
  • Computer stops responding to any input
  • Files won’t respond to any of the actions
  • Failed transfer of files and folders and Mac might refuse to start
  • Sometimes Mac volumes are not recognized on the disk

Once you are aware of the indications of corruption on Mac partitions, it is important to fix the APFS, HFS+ Mac partitions.

Repair Corrupt/Damaged APFS or HFS Partition by Using Disk Utility

Disk Utility is the most used macOS Utilities to repair the Mac drives. It is an inbuilt system feature that manages all the disks/drives on Mac. The main functionality of disk utility is to verify your disk’s integrity and fix if any damage or the corruption is observed.

To repair Mac APFS, HFS+ partitions, follow the instructions given below:

Step 1: Press Command + Space Bar to launch Spotlight, a desktop search feature

Step 2: Type disk utility and press Return. The Disk Utility window will open.

Step 3: If you do not see a Disk Utility yet, navigate to Finder -> Applications -> Utilities -> Disk Utility

Note: Finder helps the Mac users to find files and launching other applications. Sometimes, Finder won’t be responding. If the Finder on your Mac stops responding, here is 7 methods to fix Finder not responding or working when you Start your Mac

Step 4: Double-click on the Disk Utility icon to launch it. Now, from the left pane of the Disk Utility window select an APFS or HFS partition

Step 5: From the top pane, click the First Aid tab à click Run.

Now, Disk Utility scans and analyze the partition and repair if any logical errors are present on drives.

What if Disk Utility fails to repair the Mac Drive?

After the completion of process, you should be able to access the APFS, HFS, HFS+ drives without any obstacles. There might be scenarios where Disk Utility fails to repair the disk. If Disk Utility can’t repair the partition, try backing up as much data as possible.

The chances are less likely to get a backup when the drive is severely corrupted or inaccessible. in such situations, it is recommended to make use of a trusted Mac Data Recovery Software to keep your data safe and secure.

SFWare Data Recovery for Mac is the most reliable and recommended tool by the professionals for its data security and integrity.  The tool scans every sector of the drive to find the corrupt or lost data from the Mac drive.  You can easily recover data from APFS, HFS macOS partitions in a jiffy. As an added advantage, you can make use of the one software on any macOS including the latest Monterey, Big Sur, Catalina, Mohave, High Sierra and more.

Free Download for Mac

Recover Data from Corrupt APFS, HFS+ Partitions using SFWare

To recover lost or corrupt data from APFS, HFS partitions on Mac, all you need to do is, Download the SFWare Data Recovery Software for Mac on your computer and launch the application. Follow the next steps given below to recover data from the Mac partitions securely.

  1. Select Recover Drives from the main screen. Next, Recover Drive/ Partition Recovery option
    Select Drive/Partition to recover data from corrupt APFS/HFS drives
  2. Next, the all the available drives will be displayed on the screen. Select the APFS, HFS+/HFS drives and click on Next option
    Select the physical drive to recover data
  3. Now, select the corrupt drive on Mac. The Software initializes it’s scanning process to reach the drive’s each sector.
    Select the Corrupt Volume to Perform Scan
  4. After the completions of process, you can view recoverable files either in Data View or File Type View. Select the required files you need to recover and click on save button
    View Recoverable Fils in File Type or Data Type View

Once the recovery process finishes, you can check each file by previewing them before saving. Later, select and save files on your computer.

HFS Volume Not Found on Mac? Fix and Recover Mac HFS/HFS+ Volumes


macOS not recognizing HFS partition on your Mac? What if the HFS volume is not found? If HFS volume is not found on Mac, data stored on drive cannot be accessible. With the help of this article, you will be able to gain access to lost HFS data and reasons that caused the trouble along with the troubleshooting methods to fix the same.

HFS/ HFS+ is a file system in Apple Inc for Mac computers. HFS is the file system used in the earlier versions of Mac. Though HFS has been replaced by HFS+ and APFS file system, most of the Mac systems still use HFS file system to store system data. HFS volume not found error could be the result of a severely corrupted drive. Generally, the error is evidently seen while you try to format the disk to get rid of corruption on the disk.

Quick Navigation

Reasons Behind the Error HFS Mac Volume Not Found

There are various reasons that lead to the corruption in Mac drives and the error. A few of them are listed below.

Inappropriate Read/Write Operation: if read/write operations on drive are interrupted, Mac volume gets corrupted. This leads to the error no Mac HFS volume found.

Formatting: Sometimes formatting the drive intentionally or unintentionally causes an error.

Multiple sharing of data: When data on a single volume is shared across multiple unsupported system, file system becomes inaccessible and corrupt.

Corruption in header: Headers contains the information about the file or the drive, if any interruptions are caused, data becomes inaccessible and could generates the error HFS volume not found.

Corruption in Catalog file node: It is a system generated file that keeps the record of file types and accessing type.

Boot Sector problem: If Mac system fails to load, you won’t be able to access the stored data files and might cause issues with Mac file system.

Kernel panic issues, hardware and software issues, accidental deletion of Mac HD, improper installations of program files or any modifications in BIOS setting could also lead to the issue HFS not found on Mac system.

Symptoms of the error No Mac HFs Volume Found

  1. File system gets crashed and freezes frequently
  2. System rums slow and sluggish
  3. System often shut downs automatically after few minutes of use
  4. Unable to find .dmg file error appears on screen often
  5. Cannot access any data stored on your computer
  6. Also, file not found or access denied errors while trying to access any data on Mac.

All the above-mentioned indications point to severe damage and Disk Utility can also not repair the disk if they are not fixed early. Also, the methods to fix the issue may involve data loss scenarios. Therefore, it is recommended to recover inaccessible data Mac HFS and then try fixing the error.

Note: Stop using your Mac immediately if you come across any data inaccessibility or data loss scenarios. Using your computer may overwrite the lost data and Mac data recovery becomes challenging.

If data itself cannot be accessed, you cannot try any manual methods. In such situations, all you need is a trusted Mac Data Recovery Software.

SFWare Mac Data Recovery software not only helps you restore inaccessible data but, also helps recover corrupted or formatted data without modifying it. The tool is compatible with all versions of mac and supports recovery for HFS, HFS+ and APFS as well. You can try the trial version of software for free.

Free Download for Mac

Mac HFS Volume Not Found: How to Recover Data from Inaccessible Mac Drive?

Download and install SFWare Mac Data Recovery Software on your computer to recover data from HFS drive partitions and access data. Using SFWare, you can recover data from HFS, HFS+ and APFS volumes flawlessly.

  1. First step is to, select Recover Drives from the main screen and next, select Drive/Partition recovery to retrieve a healthy data from the HFS drive that is not detected
    Recover data from the no HFS found corrupt Mac drive
  2. Now, Select the Disk you need to repair. Once disk is selected, the tool displays the the corrupt drive on Mac
  3. Next, select the Volume to continue the process. Scanning is initiated (scanning time depends on the volume of the drive chosen to recover)Select the Volume to recover data
  4. Once the scanning process completes, all the recoverable files on the selected Mac drive will be displayed in Data View or File Type View.View recoverable files from the corrupt Mac drives
  5. You can preview the files to be recovered. If you are satisfied with the results, you can save the files in your desirable location on your PC that has enough storage to hold the data.Preview recovered files from missing recycle bin

Once your data has been secured, try fixing the issues caused due to the corruption in the HFS file system.

Troubleshooting steps to Fix Mac HFS/HFS+ Not Found

Here are some of the manual methods that are helpful in fixing the issues like No Mac HFS is found. With the help of these repair methods, you will be able to fix any disk related issues on Mac.

Method 1: Fix HFS/HFS+ not found on Mac using First Aid option

First Aid is the first option that any Mac user should try when there appear any disk related issues. It helps fixing logically damaged or corrupted HFS partition. To fix HFS not found or recognized on macOS using Disk Utility, follow the below given steps-

  1. To open Disk Utility, Start or restart your Mac, then immediately press and hold Command + R Release the keys when the Apple logo appears. This will boot into Mac Recovery Mode, now you can click on macOS Utilities -> Disk Utility -> Continue to open the utility.disk utility
  1. Select Macintosh HD the startup disk from the sidebar of Disk Utility, then click the First Aid tab -> Run. This initiates the repair process.

Once the process is complete, restart your computer and verify if the problem still exists on the drive.

Method 2: Fix HFS not Found on Mac by Formatting in Disk Utility

Disk Utility is the system tool that performs all the disk related and volume related tasks on macOS. Formatting is Mac disk is the best suited method to fix corruption on the disk when volume is not found on the computer.

Note: This process erases all the data present of the disk, make sure you have a backup or recover data from HFS, HFS+ partitions.

  1. Launch Disk Utility by Clicking on Applications → Utilities → Disk Utility or boot up the Mac and hold Command + R as it boots.
  2. Make sure the Macintosh HD startup disk is highlighted in your Disk Utility window, now select Erase
  3. When a pop-up widows appears, change the Format to macOS you want on your Mac machine.
  4. Click on Quit Disk Utility in the Disk Utilities menu.

Now you will be prompted to reinstall macOS. Select on Install macOS. After the new macOS is installed, your computer will be successfully factory reset with program files and no traces of corruption.


Be it HFS or HFS+ or the new APFS, every file system is prone to corruption due to various reasons. It’s vital for any user to follow basic protocols like ejecting the drive safely, have a UPS backup to avoid any power surges etc to avoid any vulnerability to corruption or data loss. The above-mentioned methods help to fix any disk related issues occurred on Mac machines. If your data is at stake, you can always rely on SFWare, the most recommended data recover software for Mac.

If you were able to fix the error successfully using the methods mentioned in the article, do share your thoughts in the comment section below. Also, comment if you have any queries  or any other methods that helped you fix the error.

4 Methods to Fix Mac Outlook Not Syncing with Exchange Server


If you’re using Outlook on Mac, it is not new to experience some synchronizing errors while working. If you are wondering why is your Microsoft Exchange not syncing on Mac? You are on the right page. This article not only helps you to fix the Outlook Mac sync errors but also explains how Outlook is made easy for Mac. With the help of troubleshooting methods, you will be able to re-connect Mac Outlook to exchange server.

Outlook Mac Not Syncing

Quick Navigation

Understand Outlook application for Mac

Why is my Outlook email not syncing on Mac?

How to connect/ Sync Outlook Mac to Exchange Server?

How to Access inaccessible Outlook data on Mac?


Outlook Application for Mac

As Outlook is originally developed by Microsoft on Windows. Due to its wide range of features and functionality, Outlook for Mac was a huge success. Microsoft Entourage was the first Outlook-like application for Mac OS in Office 2001, but it required Exchange connectivity. Later, Exchange server was made available for Mac OS X with Entourage 2004 Service Pack 2. Yet, Entourage is not similar to Outlook’s design or operation, but relatively a different application that has several similar features including Exchange client proficiencies.

In 2011, Entourage was replaced by Outlook for Mac that had great compatibility and similarity with Windows Outlook than Entourage offered. It is the first native version of Outlook for MacOS. Earlier, Outlook on Mac could only sync contacts and not any events, tasks or notes. However, with all the updated versions, now Outlook can now sync with emails, calendars, notes, tasks and events as well on Exchange Server.

Unlike to Windows Outlook, Mac Outlook doesn’t support OST/PST files, but it has .olm (OLM). A .olm file is a Mac Outlook data file that archives your email messages, contacts, calendars, tasks and notes as well.  With improved Outlook predecessors, Outlook for Mac has also come with some connecting issues and that causes trouble to synchronize with Exchange Server. Not only on Mac, even Windows encounter Outlook errors frequently.

Why isn’t my Outlook syncing on Mac?

Problems with the Exchange Server and Outlook could not be precisely explained but few of the common reasons could be-

  • Outlook Mac on Offline mode
  • Connectivity errors that might break the connection with Exchange Server
  • Corrupted Outlook cache
  • Inappropriate setting of Outlook configuration on Mac

If you encounter trouble establishing the connectivity with Exchange server, it could be due to any of the reasons mentioned above. In the next section you will be able to learn some of the best workarounds to fix the trouble.

How Do I Sync Outlook on Mac with Exchange Server?

To fix Mac Outlook cannot connect to Exchange server can re resolved using the methods mentioned below:

Method 1: Verify the Offline Mode

This is the basic and the easiest method to verify the connectivity with the Server.

  1. To check the connectivity, Go to the Outlook Menu
  2. Verify if the Work Offline is selected or unselected
  3. If Work Offline is checked, uncheck the option
  4. Check if the synchronization problem is resolved

Method 2: Rebuild the Outlook file for Mac

This method helps you fix if your Outlook profile is corrupted. Therefore, rebuilding the Outlook helps to create new OLM files. To fix the synchronization issue with the Exchange server, follow the steps to rebuild the Outlook file for Mac

  1. Firstly, close all the running Outlook related processes on Mac computer.
  2. It is recommended to take a backup of the available folder of Outlook in C drive.
  3. Click on Outlook application + Alt key to start the Microsoft Database Utility app.
  4. Now, select the Outlook Profile that you want to recreate à click the Rebuild
  5. Wait until the process is completed.

Check if the connectivity is established and data can be synchronized with the Exchange Server.

Method 3: Clear Outlook Cache

You can make use of this method, when a specific folder has any problem with synchronizing and all the other folder are synch with Exchange Server.

  1. Initially you need to make sure that there is a connection between Outlook and Exchange Server on Mac system.
  2. Right-click on the specific Exchange folder which is not synchronizing ->select Properties.
  3. Now, go to General tab -> click the option Empty Cache.

Finally, you can verify if the folder is synchronized and new items are received in the folder.

Methods 4: Check Exchange Connectivity

Sometimes, the problem could arise when the address of the Exchange Server is incorrect or not set properly. If the problem is due to the connectivity error, follow the below steps and try fixing it.

  1. Open Outlook for Mac, go to Tools -> Accounts in your Mac
  2. Check over the Exchange Account.
  3. If you see the Orange dot against the added Exchange account, it means some problem exists on connectivity.
  4. Now, try disconnecting it and re-configuring
  5. Again, try connecting it with Outlook on the web and check the status of Exchange Server is changed.
  6. If everything is fine, connect the desired server again.

This method should work fine and fix the error if persists.

The above mentioned are most sought methods to fix the synchronization problem with Outlook and Exchange Server on Mac computers.

What if your data on Outlook Mac is inaccessible? How could you access the files? If you cannot access the data on your Mac Outlook, you can try converting Outlook OLM files to PST. PST is the Outlook data file support by Windows and you will need to access them on a different Windows computer.

How to Access inaccessible data on Outlook Mac?

If you encounter your Windows Outlook profile is corrupt, you need to fix the corruption at first and then try converting OLM to PST. To convert OLM to PST, you can either use any of the trusted third-party converting tools or software available for easy procedure.

With the help of solutions explained above you can easily fix Outlook Mac error not synching with Exchange server. However, if you cannot fix Outlook for Mac sync errors, you can always save OLM file data to access easily.

Frequently Asked questions

How do you fix Outlook Cannot connect to the Exchange server on a Mac?

To fix Outlook cannot connect to the Exchange server on Mac, verify if you are working offline and make sure your internet connectivity is good to connect with Exchange server. Rebuilding Outlook file also helps in synchronizing with Exchange server on Mac. Follow the methods explained in the article to fix the problem.

Why does my Outlook say Cannot connect to server?

There are several reasons why Outlook cannot synchronize with server. Most common reasons are damaged Outlook data files, damaged Microsoft Office or Outlook program files. Corrupt Outlook profiles or incompatible/faulty add-ins can lead to Microsoft Outlook unable to connect to the server.

Why are my Outlook emails not syncing on my Mac?

If your device has an unstable and weak Internet connection, there are chances of emails not syncing on Outlook Mac. With the help of methods explained in the article, you can easily fix the problem without any hassle

How to Fix the Error Disk Utility Can’t Repair the Disk on Mac?


Disk Utility is the most used macOS Utilities to repair the Mac drives. Disk Utility failing to repair the disk could be serious problem. This could be due to severe corruption on the drive. The error can be seen on both internal and external drives when the disks get corrupted. Here is a simple guide that helps you fix the error using easy troubleshooting methods. Also, it involves simple methods recovery tips to keep your data safe.

disk utility

It is an inbuilt system feature that manages all the disk on Mac. The main functionality of disk utility is to verify your disk’s integrity and fix if any damage or the corruption is observed. Also, this is the foremost utility used to mount, unmount any disk volumes including both internal and external hard disks.

Whenever the disk isn’t working properly on Mac, the first thing we usually do is running First Aid to repair the errors on the disk. But what if Disk Utility cannot repair the disk and displays the error Disk Utility can’t repair Macintosh HD. This would clearly say Mac disk utility repair failed to fix the issue.

If you are wondering what might be the reason behind the disk utility failure, here are a few main reasons.

What Causes Disk Utility Can’t Repair This Disk Error?

Generally, Disk Utility is most efficient tool to fix corruption on the macOS. If disk utility is failed to  fix the drive, the most possible reason is severe corruption on disks.  Here are few reasons that leads disk utility to not work:

  • A corruption in the firmware might be one of the reasons leading to the disk utility issues.
  • Severely corrupted data on the disk or damaged drive.
  • Besides all the above reasons, outdated version on macOS, bad sectors on the drive and malware could also be responsible for the problem.

If you are wondering how to repair your Disk without a Disk Utility, the best workarounds explained in the further sections of the article. Before heading to repair, please make sure you have a backup of your important data from the disk.

If your data is already backed up, you can skip the following section and dive into alternative repair methods when Disk Utility can’t repair the disk.

Most likely, any repair technique might involves data loss from the disk repaired. Hence, it is always recommended to recover your data from the disk.

To take back up of data, you could make use of any external drives or on Mac you can make use of Time  Machine.

How to Back Up Data using Time Machine on Mac?

Time Machine utility helps you to take a backup from of data from any storage devices including internal drives, network-attached disks, and most commonly used with external disk drives.

To back up your Mac data, use an external storage device with enough storage space and follow the steps given below.

  1. Firstly, connect the external hard disk to your Mac computer.
  2. Navigate to the Apple menu, click the Apple icon and select System Preferences.
  3. Select Time Machine on System Preferences panel. Now, click on the Select Disk and choose the external disk you have, to store your data.
  4. Now, click on Use Disk. From the Time Machine menu, click on Back Up now option

Wait until the process completes. Later, verify with the data backed up on storage disks.

Time Machine should help you back up your data without any hassle. But, Time Machine does have some limitations. That is, if the data is severely damaged, there might be a problem in backing up it. Also, if you are trying to backup a corrupt data, most likely the data backed up will also be corrupted.

what if your drive becomes inaccessible due to severe corruption? Or Mac Recovery Mode is itself not working. Here is safe tool that can completely recover data even from severely corrupt drives on Mac.

SFWare Mac Data Recovery Software is the most recommended and best suited tool to recover data from the severely corrupted drives on Mac. With its effective search algorithm, the tool scans each sector of the drive to recover data from any inaccessible/ corrupt drives. Therefore, you can easily retrieve data from the drive showing the error Disk Utility can’t repair the disk. Download the software and try it for free now…

Free Download for Mac

How to Recover Data from the Drive displaying error “Disk utility can’t repair this disk”?

To recover data from the corrupt Mac HDD, Download and install the SFWare Mac Data Recovery Tool for Mac on your computer. Launch the tool.

(If you are trying to recover data from the external disks, connect the disk to the PC where software is located)

  1. First step is to, select Recover Drives from the main screen and next, select Drive/Partition recovery to retrieve a healthy data from the drive Disk Utility failed to repair.
    Recover data from the corrupt Mac drive
  2. Now, Select the Disk you need to repair. Once disk is selected, the tool displays the volume.
    select the corrupt drive on Mac
  3. Next, select the Volume to continue the process. Scanning is initiated (scanning time depends on the volume of the drive chosen to recover)
    Select the Volume to recover data
  4. Once the scanning process completes, all the recoverable files on the selected Mac drive will be displayed in Data View or File Type View.
    View recoverable files from the corrupt Mac drives
  5. You can preview the file to be recovered. If you are satisfied with the results, you can save the files in your desirable location on your PC that has enough storage to hold the data.

With the help of SFWare, not only lost or deleted files, you can also recover accidentally deleted Macintosh HD from Disk Utility.

Once the data is recovered from the disk showing Disk Utility cannot repair the disk, go ahead and fix the error using simple yet easy manual methods.

How to Fix the error “Disk Utility can’t repair the disk” issue?

If Disk Utility is not working and showing an error, you can fix Disk Utility can’t repair this drive error using FSCK command or by reformatting the drive.

Fix 1: Use Single User Mode to fix the error

Single user mode fix damage or corruption on the disks using commands. Follow the steps to run the command to repair the corrupt drive.

  1. First, Restart your Mac. Before the Apple logo appears, press Command + S This command helps you to boot your Mac into Single User Mode.
  2. Now, Type in the command to repair the Mac drive:

/sbin/fsck -fy

(/sbin/fsck -fy : Command checks for any logical error present on the drive and repairs them and stands for force file system check.)

  1. If File system was modified displays on the screen, re-type the command /sbin/fsck -fy until The volume _ appears to be OK message appears on screen.
  2. Lastly, to exit the single user mode, to restart your Mac, type in: reboot

After rebooting the computer, check if the error exists or repaired.

Fix 2: Fix the error Disk Utility can’t repair the disk by reformatting the drive

Note: Reformatting the drive will erase all the data from the drive.  Make sure your important files and data is backed up. if you are is secures, follow the steps given below:

  1. Navigate to Applications. Select Utilities and click on Disk Utility.
  2. Select the drive (external hard drive) and click Erase displayed on top.
  3. Give a name to the drive and select a format (File System) to re-format the drive to the new and clean File system without corruption.

Process may take a while to complete. Wait until the process finishes and restart your Mac.

What if your external drive is not recognized on mac? You can still fix the external drive get recognized and repair the drive.

Fix 3. Repair Startup Disk Using macOS Recovery Mode

All Macs come with a recovery mode to help users recover their Macs and get their Macs back into good condition again. You can reinstall macOS and restore data under this mode, also can repair startup disk.

Steps to Repair Disk Utility Using Recovery Mode

MacOS utilities
Recovery Mode to fix disk Utility
  1. Restart your Mac and boot into Recovery mode.
  2. press and hold Command+R when restarting the Mac, then enter your Mac password to enter the recovery mode. Or press and hold Power button until you see “Loading startup options”, then select Options and press Return.
  3. Choose Disk Utility and run First Aid to fix your disk under the recovery mode.

Corruption or damage on the drive is inevitable. Therefore, always make sure you keep a backup. with the help of above-mentioned methods, you should be able to fix the error Disk Utility cannot repair this disk easily.

If you were able to fix the error and recover data using the steps given in the article, do write to us in the comment section below.






3 Easy Ways to Fix VLC Crashing Or Not Responding on Windows and Mac OS


VLC player stops working/responding, or VLC keeps crashing is the common issue that VLC user come across while watching videos. If you ever faced the issues with VLC on both Windows and macOS, here are the best workarounds that helps you fix VLC crashing on both the operating systems.

VLC media playerkeeps crashing

VLC media player is the utmost used media player to watch videos, movies and listening music too. When VLC stops working or stops playing, that’s a real situation of exasperation because VLC is most reliable audio and video player so far. Lets’ see what reflects VLC is causing trouble to the videos-

Indications of VLC Crashing

  1. Takes long time and multiple attempt to open the player
  2. Fails to load the video
  3. You might even have blue, grey or black screen while playing videos on VLC
  4. Screen pops up with multiple logical errors
  5. VLC media stops responding or stops working in between

If you ever came across any of these scenarios, its likely your VLC is about to crash or there is a glitch in the functionality.  This might end up causing corruption in the video that are played on VLC.

If you are wondering why your VLC keeps crashing often, here listed are a few reasons that causes VLC crashing.

Why Does VLC Keeps Crashing?

A few common reasons that forces VLC not to respond or stop working are as  follows-

  • Improper installation of VLC program
  • Video might be corrupted or doesn’t support the VLC files to play on the player
  • Corruption in VLC media plyers program file
  • Installation of outdated or corrupted drivers
  • Problem with VLC’s coding, output scheme, or any other playback setting
  • VLC’s components could get blocked by any system programs, security apps or setting.
  • The reason why video couldn’t be played on VLC may include sound issues, audio video synchronizing issues, missing fragments, dropped frames, corrupt header and so on.

All the above-mentioned reasons lead to VLC media player issues.  If you are wondering, how do you stop VLC from crashing? how to fix the issue, here are the easy options. Click on the below links to navigate to the required section to fix VLC keeps Crashing problem.

How Do I Fix VLC Crash?

How do I fix VLC Crashing on Windows?

How to Fix VLC Crashing on Mac?

How to repair corrupt videos?

Measures to Avoid VLC crashing up forth

For Windows Users: How to Fix VLC keeps Crashing?

If you are running VLC on Windows, you might be familiar with video crashing, lagging and stuttering issues.  Fix the issues with the help of below-mentioned methods.

Method 1: VLC Media Player Re-installation

If your VLC media player program files are corrupted, it is best recommended to uninstall and reinstall the application.

To uninstall VLC-

  1. Go to Control Panel >> Click on Programs (List of installed apps are displayed now)
  2. Select VLC >> Right click on app and click on the Uninstall button

By doing so, your application will be uninstalled from the computer.


After successfully uninstalling the VLC app, go to the official website and install the app again.

Method 2: Disable Hardware Acceleration

There may be chances of VLC crashing when hardware acceleration is enabled on an unsupported system. Hardware Acceleration is the is Windows feature to provide better video playback performance.

  1. Go to VLC Media Player Tools >> Preferences
  2. Click on Input / codecs, you see an option Hardware-Accelerating Decoding
  3. From the drop down, select DirectX Video Acceleration feature Or you can just Disable it. 

Method 3: Verify the Compatibility Setting

Windows compatibility setting feature allows you to Run VLC made for older versions on the current version of Windows.

  1. Open the File explore >> Navigate the below given path

Windows 64-bit: C:\Program Files (x86)\VideoLAN\VLC

Windows 32-bit: C:\Program Files\VideoLAN\VLC

  1. Right-Click on exe >> Select Properties
  2. Click on the Compatibility tab
  3. Check the Run this program in compatibility mode for and Select the Previous Windows version à OK

You should be able to fix VLC keeps crashing issue using the above-mentioned fixing methods on Windows computer. If you are facing trouble opening File Explore, Fix the issue and go ahead with the steps.

For Mac users: How to Fix VLC Keeps Crashing?

If you are encountering the trouble with VLC on Mac, you can first try reinstalling the app as likely did it for Windows on Reinstalling the VLC Player. apart from that there are a few workarounds you could try to fix the problem.

Method 1: Force Quit the Media Player

Any trouble with VLC like video freezing or not responding, all you must do is just forcefully quit the application from running in the background.

  1. First, go to Finder >>  Click on the Force Quit Applications
  2. OR you can press the Command + Option + Esc keys at the same time.
  3. Force Quit window appears on the screen, select your VLC player and close it from running in the background.

Method 2: Install A VLC Codec Pack

It is a known fact that Mac is often incompatible with most of the video formats or codecs apart from the dedicated format for Mac. This could be one of the reasons why you are encountering VLC crashing on the system. To fix this, you just have to install the VLC codec pack supported on Mac that helps in compatibility f your videos.

Method 3: Update Your VLC Player

You can avoid most of the media player issues such as crashing, stuttering, lagging, stopped working or not responding just by updating the media players. To fix VLC player problem or if VLC not playing any videos,

  1. Initially, open VLC media player, go to Menu
  2. Click on the Help >> Check for updates

This automatically directs the application to check for any new updates for Mac and you can install them later.

What if your video files get corrupt due to VLC media payer crashing or corruption on the media player? How would you repair the corrupt video files?

As mentioned  earlier, there could be instances, where corruption in the video leads to  crashing VLC media player or make it stop working. In such situation the prime thing one must be doing is stop playing the corrupt video and fix the corruption in it.

How to Repair Corrupt Videos?

 With SFWare Video Repair tool you can fix any corruption on video files. Be it MOV, MP4 or AVI, the tool’s unique repair algorithm with a reference of healthy file rebuilds the file structure.  Therefore, new healthy file is free from corruption. Also, the tool is designed to work on a copy of your original file to keep the original video file untouched and unaltered. SFWare Video Repair Tool is available for both Windows and Mac computers and works well with any OS versions respectively.

Free Download for WindowsFree Download for Mac

Steps to Fix Video File Corruption

Download and install the SFWare Video Repair tool on your computer and launch the application. Select MOV/MP4/AVI or other video format based on your requirement.

  1. From the main screen, click on Browse, to provide the Healthy File for the reference of codecs to rebuild the file.
    Select MOV from the main screen
  2. Now, click on Corrupted File >> provide the locationBrowse MOV file
  3. Click on the Repair option.

Wait for video file repair process to complete. Once the process is successfully completed, you can preview the repair corrupt video file and then save them on any location of your choice.

How to avoid crashes in VLC?

  • Avoid opening multiple video threads at the same time on VLC.
  • If videos seem incompatible with VLC, try using a supported media player.
  • Keep minimal programs running at background while VLC playing.
  • Keep updating VLC regularly and do install VLC Player from an official website
  • Avoid vital setting tampering in VLC like its output modules, file caching, codec scheme and other settings.

How to Fix Corrupt USB Drive on Windows & Mac Computers?


Wondering how to fix corrupt or damaged USB drive? Do not worry, with the help of different approaches for windows and macOS explained in the article, you can repair the USB drive and recover data without losing any bit of it.

When USB drives get corrupt or damaged, you will receive several error messages that indicates the data stored on USB drive is inaccessible or cannot be accesses without formatting. Here are a few error messages that indicates your USB drive is corrupted.

Table of contents:

Indications of corrupt USB

Is it possible to repair corrupt USB?

How to fix corrupt USB on Windows?

How to Fix Corrupt USB on Mac?


Symptoms of Corrupted USB Drive

Be it Windows or Mac, error message displayed when USB is corrupted remains same. listed are few of the error messages that is displayed when your USB drive is corrupted.

  1. You might witness your USB drive is not recognized on your computer.
  2. You need to format the disk in drive before using it
  3. Drive is not formatted
  4. Drive cannot be accessed

There could be other errors that stops you using your USB drive. Follow the methods explained in the next section to fix the corrupt USB drive and get back your data without any data loss.

How to Fix Corrupt USB Drive without Data Loss?

Here are the workarounds that help you to get access to your data by fixing the corruption on the USB drive.

  1. Fix Corrupt USB on Windows
  2. Fix Corrupt USB on Mac

Can a corrupted USB flash drive be fixed?

Be it Windows or Mac, the first and foremost solution suggested to fix any corruption or logical errors on the drive is to format the drive. However, it is known that formatting not only fixes the errors, also erases your data on the drive. The most intriguing question is how to fix the USB corruption on the drive without losing data?

If you have formatted the drive before taking backup of the data, do not panic! You can still recover your files from corrupt USB drive.

If you have taken backup earlier and looking solutions for fixing an USB drive, go on to the next section and fix your corrupt or damaged USB flash drive.

If you have taken backup earlier and looking solutions for fixing an USB drive, go on to the next section and fix your corrupt or damaged USB flash drive.

How to Repair a Corrupt USB Flash Drive on Windows?

If your USB is recognized by the computer, below mentioned methods will certainly help you fix the USB drive. If your USB drive is not recognized by your Windows, check with the connection in USB and try repairing it.

Method 1: Assign the correct Drive Letter

First, check if your thumb drive is assigned with a drive letter. If drive letter is not assigned or incorrect, assign one to it.

Disk management to fix corrupt USB

  1. Right-click Start button -> Click on the Disk Management.
  2. Right-click on your corrupted USB drive -> Select Change Drive Letter and Paths…
  3. Click on the drive letter -> Click Change button
  4. Select a different letter from the drop-down list -> Click OK

Certainly, changing the drive letter helps you fix the errors on the drive. Yet, there still exists a threat to your data. Therefore, it is recommended to recover or backup your data before trying any of the repairing process to fix corrupt USB/ thumb drive.

Method 2: Update the device drivers

There is always a possibility of drive corruption if the device driver is not updated or itself got corrupted. Therefore, updating the driver might help you fix corruption on it.

Device Manager-update disk drivers

  1. Right-click on the start button -> Select Device Manager
  2. Go to Disk Drivers -> Find your corrupted USB drive name
  3. Right-click on the USB drive name -> Click on Uninstall device
  4. Unplugging and re-plugging the USB drive into computer will automatically reinstall the latest driver.

Consequently, this method helps you fix the corruption if the problem exists on the device driver.

Method 3: Fix the USB drive using Windows Repair Option

To fix corruption on USB drive, insert your damaged drive into your computer and follow the steps given:

  1. Go to My Computers -> Select the USB Drive that appears on the computer
  2. Right-click on the drive -> Click on the Properties -> Choose the Tools Tab
  3. Click on the Check Now button (Windows 7 it is replaced by Rebuild option)
  4. Two repair option are displayed on the screen Scan for and attempt to recover bad sectors and Automatically fix file system errors
  5. Check both the boxes -> click on start to initiate the scanning process.

Once the scanning process completes close the screen and try re-inserting the USB to your computer and verify if you can access the data on your corrupted drive.

If none of the above USB repairing methods helped you fixing the corrupt drive, try formatting/re-formatting of the drive. But, make sure you take a backup of your data. you can recover data after format as well using SFWare.

Free Download for WindowsFree Download for Mac

How to Repair a Corrupt USB on Mac?

Every Mac computer comes with an in-built troubleshooting tool called as First Aid in Disk Utility. The function of this utility is to detect the disk issues related to directory damage on all types of file system that is HFS, HFS+ including APFS volumes. Follow the steps to fix USB corruption on Mac computers.

  1. Go to Applications and select Disk Utility
  2. USB drive will be listed on the sidebar of Disk Utility -> Select the USB drive
  3. From the top of the window click on First aid
  4. Select Run on the pop-up window and the scanning process initiates.

Scanning process depends on the size of the USB. Once the scanning process completes, re-insert the USB drive and check for the errors.

With the help of above-mentioned methods, you can try fixing corruption on USB drive on Windows and Mac.  If your data is lost due to any of the repair process or accidental formatting, try recovering your data using SFWare USB Recovery tool.


What causes USB to corrupt?

Various factors lead to corruption on USB flash drive. The most common reasons that lead to USB corruption are virus intrusion, file system damage, improper handling of flash drive, removal of USB without ejecting it safely.

How to fix a corrupted flash drive without formatting?

We all know formatting is the easiest method to fix any kind of errors or corruption on USB. However, there are other feasible methods described in the article that can be used to fix corrupt flash drive.

How to fix corrupted flash drive without losing data?

At instances, when you try to fix the corrupt USB drive, this may end up with data loss. Based on the type of the corruption you can make sure your data is safe. If the errors are due to improper connection, you can just remove and re-insert the USB drive. If it is due to inappropriate drive letter, you can change the drive letter. You can also make use of the Windows Repair option to fix corrupt flash drive. With the help of disk utility, USB corruption on be fixed on macOS.