What to do if the computer black screen prompts missing operating system

Solution: 1. Restart the computer: Sometimes it may be just a temporary error. Restarting the computer may solve the problem; 2. Check the hard drive connection: Make sure the computer's hard drive is connected properly and there are no loose or damaged plugs. ; 3. Check the boot sequence: Enter the BIOS settings of the computer and check whether the boot sequence setting is correct; 4. Repair the boot record: Use the Windows installation CD or USB boot disk to enter the system recovery environment and select the option to repair the boot record; 5. Reinstall The operating system is enough.

The "missing operating system" error message is usually caused by the operating system's boot file being lost or damaged. Here are several possible solutions:

1. Restart your computer: Sometimes it may just be a temporary error, and restarting your computer may solve the problem.

2. Check the hard drive connection: Make sure the computer's hard drive connection is normal and there are no loose or damaged plugs.

3. Check the boot sequence: Enter the computer's BIOS settings, check whether the boot sequence setting is correct, and ensure that the hard disk is the first boot device.

4. Repair the boot record: Use the Windows installation CD or USB boot disk to enter the system recovery environment and select the option to repair the boot record.

5. Reinstall the operating system: If none of the above methods work, you may need to reinstall the operating system. Perform a clean installation using the installation CD or USB boot disk.

If you are unfamiliar with these operations or encounter difficulties, it is recommended to seek help from professionals, such as computer repair technicians.

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