How to solve the problem of bootmgr being lost and unable to boot

The solutions to the problem of missing bootmgr and being unable to boot include checking the boot sequence, repairing the boot record, rebuilding the boot file, and reinstalling the operating system, etc. Detailed introduction: 1. Check the boot order, restart the computer, and press the Del, F2 or F10 key to enter the BIOS setup interface, find the "Boot" or "Boot Order" option, make sure the hard drive is in the first place, and set it to the first Start the device, save the settings and exit the BIOS; 2. Repair the startup record and other methods.

When our computer has a bootmgr missing error, we will not be able to start the computer normally. This issue may be caused by a corrupted operating system file, a failed hard drive, or a wrong boot sequence. In this article, we will explore some methods to solve the bootmgr missing issue to help you restart your computer and resume normal operation.

1. Check the boot sequence:

1. Restart the computer and press the Del, F2 or F10 key to enter the BIOS setup interface.

2. In the BIOS setting interface, find the "Boot" or "Boot Order" option.

3. Make sure the hard drive (usually the C drive) is in first place and set it as the first boot device.

4. Save settings and exit BIOS.

2. Repair the startup record:

1. Use the Windows installation CD or USB boot disk to start the computer.

2. Select "Repair your computer" in the installation interface.

3. In the system recovery options, select "Command Prompt".

4. In the command prompt, enter the following command and press Enter:

bootrec /fixmbr

bootrec /fixboot

bootrec /rebuildbcd

5. After completing the repair, restart the computer

3. Rebuild the boot file:

1. Use the Windows installation CD or USB boot disk to start the computer.

2. Select "Repair your computer" in the installation interface.

3. In the system recovery options, select "Command Prompt".

4. In the command prompt, enter the following command and press Enter:

diskpart

list disk

select disk

list partition

select partition

active

exit

5. Enter the following command and press return Car key:

bcdboot C:\windows

(Note: If your operating system is installed on another partition, please replace C:\windows with the correct path)

6. Restart the computer.

4. Reinstall the operating system:

If the above method cannot solve the problem, you may need to reinstall the operating system. In this case, make sure you back up your important files and data and reinstall using a Windows installation disc or USB bootable disk.

Conclusion:

We don’t need to panic when our computer gets bootmgr missing error. By checking the boot sequence, repairing the boot record, rebuilding the boot files, or reinstalling the operating system, we can resolve the issue and restart the computer. If you are unfamiliar with these methods, it is recommended to seek professional help to ensure correct operation and avoid data loss

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