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Why bootmgr is missing cannot boot

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百草Original
2023-12-21 11:39:244442browse

bootmgr is missing Reasons for failure to boot: 1. System file damage; 2. BIOS setting error; 3. System boot sequence conflict; 4. Hard drive failure; 5. Operating system problem; 6. Using Windows installation disk Repair; 7. Use system restore; 8. Check hardware connections; 9. Reset BIOS settings; 10. Seek professional help. Detailed introduction: 1. The system file is damaged. If the system file is damaged or lost, it may cause "bootmgr is missing" errors and so on.

Why bootmgr is missing cannot boot

When a "bootmgr is missing" error occurs, it usually means that the system cannot find the boot manager, which can be due to a number of reasons. The following are some possible causes and solutions:

1. System file damage: If the system file is damaged or missing, it may cause the "bootmgr is missing" error. This may be due to a virus attack, malware corruption, or other reasons. The solution is to try to use a recovery disc or PE system disk to repair it.

2. BIOS setting error: BIOS setting error may also cause the "bootmgr is missing" error. For example, this error can be caused if the boot order is set to the wrong device, or if the correct boot device is disabled at startup. The solution is to go into the BIOS settings, check and adjust the boot order or enable the correct boot device.

3. System boot order conflict: Sometimes, there may be multiple operating systems or boot managers in the system, which may cause system boot order conflicts. The solution is to check the system boot sequence to ensure that the correct operating system or boot manager is set as the default startup item.

4. Hard disk failure: If the hard disk fails, it may cause the "bootmgr is missing" error. This could be due to a corrupted hard drive, corrupted partition table, or other reasons. The solution is to use a PE system disk or recovery CD to repair, or try to use another hard disk to boot.

5. Operating system problems: If there is a problem with the operating system itself, it may also cause the "bootmgr is missing" error. This may be caused by missing or corrupted operating system files, registry issues, or other reasons. The solution is to try reinstalling the operating system or using System Restore to restore to a previous state.

6. Use the Windows installation disk to repair: Insert the Windows installation disk into the computer and boot from the CD. Select "Repair your computer" on the installation interface, and then select "Startup Repair". Windows will automatically detect and fix startup problems.

7. Use system restore: If you have created a system restore point before, you can try to use the system restore function to restore the system to its previous state. In Windows, this feature can be found by searching for "System Restore" through the Start menu.

8. Check the hardware connection: Sometimes, the "bootmgr is missing" error may be caused by hardware connection problems. Check whether the hard disk, memory module and other hardware are plugged in properly, and try to replug or replace the hardware.

9. Reset BIOS settings: If the BIOS settings are modified incorrectly, it may also cause the "bootmgr is missing" error. Try resetting the BIOS settings to defaults and resetting the correct boot order and boot devices.

10. Seek professional help: If none of the above methods can solve the problem, it is recommended to seek professional technical support or help. You can contact your computer manufacturer or a professional computer repair service for a more professional solution.

It should be noted that before trying to fix the "bootmgr is missing" error, it is recommended to back up important data to prevent data loss. At the same time, before performing any repair operations, it is recommended to understand the related risks and precautions to avoid causing greater damage to the system.

In short, the "bootmgr is missing" error may be caused by a variety of reasons and needs to be investigated and repaired according to the specific situation. If the above methods cannot solve the problem, it is recommended to seek professional technical support or seek professional help.

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