Step 1: Go to device manager Start > Control Panel > System > Hardware > Device Manager

    a. Right click and uninstall the missing CD / DVD ROM

Step 2. Remove the registry entries.

A. Click Start, click Run, type regedit, and then click OK.

B. In the navigation pane, locate and then click the following registry subkey:

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

C. In the right pane, click UpperFilters.

D. On the Edit menu, click Delete.

E. When you are prompted to confirm the deletion, click Yes.

F. In the right pane, click LowerFilters.

G. On the Edit menu, click Delete.

H. When you are prompted to confirm the deletion, click Yes.

I. Exit Registry Editor.

J. Restart the computer.

Note: If you notice a loss of functionality in a particular program such as in CD recording software after you remove the UpperFilters and LowerFilters registry values, reinstall that software.

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