The Ultimate Guide to Fix Disk Boot Failure

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Summary: A disk boot failure is a grave issue that causes the operating system to crash or data loss in your system. Fortunately, you could find some easy methods to fix disk boot failure and recover data even if you lost them from disk boot failure.

Content Table:

What is a Disk Boot Failure?

Disk Boot Failure is an error message that appears on your computer screen when the system fails to start up from the hard drive. When a disk boot failure occurs, the computer may display an error message, such as “Disk Boot Failure, Insert System Disk, and Press Enter,” or it may simply fail to boot up and display a black screen. It indicates that the computer is unable to find a bootable operating system on the hard drive or there is an issue with the boot sector of the hard drive.

What Causes Disk Boot Failure?

Now that we discuss what is a Disk boot failure, there are many reasons for this to occur. We gave some of them below for you to understand your situation better.

  • Incorrect boot order – The computer tries to boot from the wrong device, such as a USB drive or CD, instead of the primary hard drive.
  • Damage to data cable – It can cause various issues with the functioning of the hard drive, such as slow performance, data corruption, and failure to boot up.
  • Hard drive failures –The hard drive of a computer stops working correctly and fails to store, retrieve, or access data.
  • Operation system corruption – The files and settings that make up the operating system become damaged, leading to various issues such as system crashes, error messages, and application failures.

How to Fix Disk Boot Failure?

Disk Boot Failure is a common issue that can cause a lot of frustration for computer users. Fortunately, there are several steps you can take to fix this problem. It is important to identify the underlying cause of the issue before attempting any fixes. Once the cause has been identified, you can try to repair the disk boot failure. It is important to back up important data before attempting any method to repair disk boot failure to avoid data loss.

1.     Replace Damaged Data Cable

If the data cable connecting the hard drive to the motherboard is damaged, it can cause Disk Boot Failure. Fix the damaged data cable issue by replacing it with a new one. It is important to ensure that the newly connected data cable is proper and secure to avoid any further issues. After replacing the damaged data cable, restart the computer and check if the Disk Boot Failure issue is resolved.

2.     Modify BOIS Boot Order

When the boot order is incorrect, the computer may try to boot from a non-bootable device such as a USB drive or CD instead of the primary hard drive.

  • Restart your computer and enter the BIOS settings.

Note: The key to enter the BIOS may vary depending on your computer brand, but it is usually displayed on the screen during startup.

  • Go to the Boot menu using the arrow keys.
  • Locate the Hard Drive option and move it to the top of the boot order list by using the arrow keys.
  • Save the changes and exit the BIOS settings.

Restart your computer and check if the Disk Boot Failure issue is repaired.

Note: Modifying the BIOS boot order is a simple fix that can solve many booting issues, but if the problem persists, it may indicate a more serious hardware or software issue that requires further troubleshooting.

3.     Run CHKDSK Command

Checking the hard drive for issues can help detect any errors or damages that may be causing the boot failure.

  • Restart your computer and enter the BIOS settings.
  • Go to the Boot menu and select the option to boot from a CD or USB with a bootable operating system.
  • Follow the prompts to run the Command Prompt.
  • Run a disk check using the command chkdsk /f to scan for any errors on the hard drive.

Wait for the scan to complete, and if any errors are found, follow the prompts to repair them. Restart your computer and check if the Disk Boot Failure issue is fixed.

Note: If the hard drive is severely damaged, it may not be possible to repair it and a replacement may be necessary.

4.     Repair Corrupt Operating Systems

Repairing the corrupt operating system can help fix any issues with the system files that may be causing the boot failure.

  • Restart your computer and enter the BIOS settings and select the option to boot from a CD or USB with a bootable operating system.
  • Follow the prompts to start the Windows Setup and click Next.
  • Click Repair your computer in the bottom-left corner of the screen.
  • Select Troubleshoot and then Advanced options.
  • Select Startup Repair and follow the prompts to repair the operating system.

Once the repair process is complete, restart your computer and check if the Disk Boot Failure issue is resolved.

Note: The issue is caused by hardware failure, such as a faulty hard drive, it may not be possible to repair the operating system and reinstallation may needed.

Recover Data from Disk Boot Failure

Disk Boot Failure can sometimes lead to data loss if the hard drive is damaged or corrupted. However, there are several methods to recover data from this hard drive. It is important to note that attempting to recover data from a damaged hard drive can further damage the drive, so we recommended SFWare Data Recovery Software as a powerful tool that can recover data from various storage devices.

Steps to Restoring Data Using SFWare Data Recovery Software

Download and install the SFWare data recovery software on your computer to recover data after disk boot failure repair is done.

Free Download for WindowsFree Download for Mac

  • Launch the software and choose Recover Files from the home screen.

  • Then choose from the two options on the next screen:
    • Deleted File Recovery
    • Lost File Recovery

  • Now, select the drive from which you want to recover data then click Next.

  • After the scan is complete, the recoverable files are displayed in a window which a Data view and File type view.

Note: Preview the recoverable files to ensure they are the files you want to recover.

  • Select the files you want to restore and choose a location to save the recovered files and click Next.

Note: It is recommended to save the files to a different drive than the one you scanned.

  • Click on the Recover button to restore the selected files to the chosen location.

Note: Make sure to activate the software to complete the recovery process successfully.

How to Prevent Data Loss from Disk Boot Failure?

  1. Regular backups: Make sure to back up your important data regularly to an external hard drive, cloud storage, or other storage devices. This ensures that you have a copy of your important data even if the hard drive fails.
  2. Keep software updated: Keep your operating system and other software updated to avoid any compatibility issues or software-related problems that could cause Disk Boot Failure.
  3. Use reliable hardware: Use reliable and high-quality hardware components such as hard drives, data cables, and power supplies to reduce the risk of hardware failure.
  4. Use antivirus software: Install and regularly update antivirus software to protect your computer from malware that can cause Disk Boot Failure and data loss.
  5. Perform regular maintenance: Perform regular maintenance such as disk cleanup, defragmentation, and disk error checking to ensure the health of the hard drive and avoid Disk Boot Failure.


Disk Boot Failure can be a frustrating and alarming issue that can lead to data loss and other problems. However, with the right approach, it can resolve and prevented from happening in the future. We have given you some methods to fix disk boot failure, and how to recover data lost due to disk boot failure. Let us know what your experience using these methods in the comment box.

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