cd drive letter ေပ်ာက္ေနလ်င္ registry တြင္ျပင္ရန္

Here are the steps to fix the CD or DVD drive not appearing in My Computer problem by removing the UpperFilters and LowerFilters, it's the same for XP up to Windows 8:

1. Hit Win+R, type Regedit and click OK. Alternatively type Regedit into the Search box.

2. Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\

3. Click on Class, then look for and click on the following key. Note, you need to find this exact key as there are several that look very similar.

{4D36E965-E325-11CE-BFC1-08002BE10318}

4. In the right side details pane of Registry Editor look for any entry called UpperFilters and also LowerFilters. Right click on each one you find and click Delete.