1. Go to "Start," click on "Run," type "regedit" in the text box, and then click on "OK."
2. And then you will go HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ {4D36E965-E325-11CE-BFC1-08002BE10318}
3. Search "UpperFilters" and "LowerFilters"
5. You will be found Cd Drive.
