What should I do if the Windows 8 system does not recognize the optical drive?

After installing the Windows 8 system, it is normal to have one or the other minor faults. Some users find that the Windows 8 system does not recognize the CD-ROM drive or displays the driver damage in the device manager. What should I do?
Windows8 system does not recognize the solution of the optical drive:
1. Press Win+R, enter Regedt32.exe, press Enter, open the registry editor.
2. Find the following key values:
HKEY_LOCAL_MACHINE-----SYSTEM--CurrentControlSet-----Control----Class------{4D36E965-E325-11CE-BFC1-08002BE10318 }

3. Find and delete UpperFilters and LowerFilters in the box on the right (see UpperFilters and LowerFilters in the box shown below)

4. Restart the computer and see if the Windows 8 system can I recognized the drive.
Under the Windows 8 system, the optical drive is not recognized. A large part of the reason is caused by the wrong key value in the system registry. Users can find the corresponding location of the system registry according to the above method, and modify the registry. .