What should I do if Win7 cannot detect the optical drive? How to restore Win7 optical drive if it is missing?

php editor Baicao brings you an effective method to solve the problem of Win7 not detecting the optical drive. When using Win7 system, sometimes the optical drive is not detected by the system, which brings great inconvenience to users. But, don’t worry, we can solve this problem with some simple actions. Below, we will introduce you in detail the recovery method of Win7 optical drive missing, so that you can easily solve this trouble.

What should I do if Win7 cannot detect the optical drive?

1. Click the "Start" menu in the lower left corner of the computer, enter "regedit" in the run column and press Enter to open the registry; as shown in the figure:

2. Find HKEY_LOCAL_MACHINE--SYSTEM--CurrentControlSet--Control--Class--{4D36E965-E325-11CE-BFC1-08002BE10318}; in the registry, as shown in the figure:

3. After selecting the registry value {4D36E965-E325-11CE-BFC1-08002BE10318}, find UpperFilters and LowerFilters in the right window, right-click and delete.

4. After deleting, close the registry, then log off or restart the computer.

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