If you are having trouble with your CD or DVD drive is missing in windows just follow these steps and it should be working correctly again.
Things You Will Need
-
Windows
-
CD/DVD drive
-
Patience
Step 1 Click on start and then run.
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Type regedit into the run box then click ok. If you have vista type regedit into the search box and then press enter on the keyboard.
Step 2 Press the plus sign next to the following items
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
Click on the {4D36E967-E325-11CE-BFC1-08002BE10318} key
Step 3 Click on upper filters and delete them
Then do the same if you have lower filters listed
Step 4 Restart your computer and the machine will then reload the drivers for your CD or DVD drive. If
the problem is still after this go through again checking both the
following registry keys.
{4D36E965-E325-11CE-BFC1-08002BE10318}
{4D36E967-E325-11CE-BFC1-08002BE10318}
Delete both the upper and lower filters again.
If the problem persists after wards it is time for a repair.
Tips & Warnings
You do this at your own risk
Do not delete anything in the registry if you do not know what it is
If you make a mistake you could cause harm to your windows installation