What to do if win10 cannot recognize the external optical drive

The system cannot recognize the optical drive. Most of the reasons are due to incorrect key values in the system registry. Just find the corresponding location in the system registry and modify the registry.

Solution to the problem that the Windows system cannot recognize the optical drive:

1. First press the Win R key, then enter Regedt32.exe, press Enter, and then open the registry editor.

2. Then find the following key value:

HKEY_---LOCAL_MACHINE-------SYSTEM-----CurrentControlSet-----Control----- -Class------{4D36E965---E325----11CE-----BFC1-----08002BE10318}

3. Then find and delete UpperFilters in the box on the right and LowerFilters, look for UpperFilters and LowerFilters.

4. Finally, restart the computer and see if the Windows system can recognize the optical drive.

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