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Table of Contents
1. Check whether the hard drive is correctly identified
2. Set the correct startup sequence
3. Repair the boot record (suitable for certain operational capabilities)
4. Check whether the hard drive is physically damaged
Home System Tutorial Windows Series How to fix 'Disk boot failure, insert system disk and press enter'?

How to fix 'Disk boot failure, insert system disk and press enter'?

Jul 20, 2025 am 01:33 AM
Startup failed

When you encounter the prompt "Disk boot failure, insert system disk and press enter", it means that the computer cannot find the bootable system disk. 1. First check whether the hard disk is correctly identified, enter the BIOS to check whether there is any hard disk information, and confirm that the data cable and power cable are connected normally. 2. Set the correct boot sequence and set the hard disk as the preferred boot device. 3. Use the Windows installation USB disk to repair the boot record and execute bootrec-related commands through the command prompt. 4. Check whether the hard disk is physically damaged. If there is abnormal noise or frequent crashes, it is recommended to back up the data and replace the hard disk. Solve the plug-in problem manually, modify the BIOS settings or repair the boot, and stop the loss in time when the hard disk is damaged.

How to fix \

When you encounter the prompt "Disk boot failure, insert system disk and press enter", in most cases, it means that the computer cannot find a bootable system disk. Possible causes include hard disk connection problems, BIOS settings errors, system boot corruption, or hard disk itself failure. Don't worry, the following methods can help you troubleshoot and solve this problem.

How to fix

1. Check whether the hard drive is correctly identified

This is the most basic and critical step. When booting, press Del/F2/F10 (the way you enter the BIOS of different brands of motherboards is slightly different) to enter the BIOS interface to check whether your hard disk information is available in the main interface or Boot menu.

  • If you can't see the hard drive, it might be:
    • The power supply cable or data cable of the hard disk is loose
    • Poor interface contact (especially SATA interface)
    • Motherboard interface failure or hard drive damage

Try to re-plug and unplug the hard drive's data cable and power cable after shutting down, especially desktop users, you can try changing the SATA port.

How to fix

2. Set the correct startup sequence

Sometimes the hard disk exists normally, but the BIOS does not set it as the first startup item, which will also cause this error message to appear.

Confirm in the Boot menu of BIOS:

How to fix
  • Is there any hard disk option in the boot sequence (such as Windows Boot Manager or HDD: XXX)
  • Set the hard disk as the preferred boot device

Save and exit and restart to see if the problem is resolved.


3. Repair the boot record (suitable for certain operational capabilities)

If you are sure that the hard drive is fine and the boot is just damaged, you can use the Windows installation USB drive to repair the boot.

The steps are as follows:

  • Insert the Windows installation USB disk and boot from the USB disk
  • After selecting the language, click "Next", and then click "Repair Computer"
  • Go to "Troubleshooting → Advanced Options → Command Prompt"
  • Enter the following command and press Enter to execute:
 bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd

This fixes the master boot record and boot configuration data. After completion, enter exit and press Enter, unplug the USB flash drive and restart.


4. Check whether the hard drive is physically damaged

If you have tried all the previous methods but still can't do it, then you have to consider whether there is something wrong with the hard drive itself.

  • Listen to any abnormal noises (click, friction, etc.)
  • Is it frequent crashes or blue screens?
  • The BIOS can see the hard disk but the capacity display is abnormal

These situations indicate that the hard disk may be physically damaged. It is recommended to back up important data as soon as possible and prepare to replace the hard disk. If you are a laptop user, you can also connect an external mobile hard disk box to test whether you can read the original hard disk content.


Basically these common ways of dealing with it. Some problems can be solved by hand, such as plugging in cables and changing BIOS settings; some require certain operating skills, such as repairing and booting. When you encounter a bad hard drive, remember to stop the loss in time and do not force the computer to boot again and again.

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