What to do if a DVD drive is not recognized by Windows 7

What to do if a DVD drive is not recognized by windows 7

Many of you might have faced this kind of problem. You might have upgraded to windows 7 from old Windows XP or windows vista. After upgradation, some DVD drives are not recognized by windows 7. But the DVD drive is listed in the device manager with a yellow exclamation mark indicating that there is a problem with digital signature.

to fix this kind of problem of DVD drives not being recognized by Windows 7, follow the steps given below:

First press Windows button + R, and type 'regedit' and press Enter button.

Now open the Registry Key given below.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}

Once you open that key, right click on UpperFilters in the right pane, and click 'Delete'

Now you should click 'yes' to confirum the removal of UpperFilters registry entry

Similarly remove the LowerFilters entry

Now exit registry editor and restart your computer

This would definitely solve your problem of DVD drive being not recognized in Windows 7 computer.

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