CD or DVD drive missing from windows explorer

If you find that your CD or DVD drive no longer appears in My Computer and you can’t read or write to disks, you should first check that the drive is properly connected. If this appears ok then create a system restore point before digging inot the registery as below.

Fix for Windows 7 & Vista

Click Start and in the Search box, type regedit and press Enter.

In the left pane of the registry editor program, navigate to the following registry subkey, HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}

Make sure to go to the exact registry subkey mentioned above, as there may be ones with very similar names.

In the right pane, check if a key called UpperFilters is present. If it is, right click on UpperFilters and select Delete from the context menu.

If prompted to confirm the deletion, click Yes. In the right pane, check if a key called LowerFilters is present. If it is, right click on LowerFilters and select Delete from the context menu.

If prompted to confirm the deletion, click Yes.

Exit the regeditr program and restart your computer.

Fix for Windows XP

Click Start and then click Run. In the Open box, type regedit and click OK.

In the left pane of the registry editor program, navigate to the following registry subkey, HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}

Make sure to go to the exact registry subkey mentioned above, as there may be ones with very similar names.

In the right pane, check if a key called UpperFilters is present. If it is, right click on UpperFilters and select Delete from the context menu.

If prompted to confirm the deletion, click Yes. In the right pane, check if a key called LowerFilters is present.

If it is, right click on LowerFilters and select Delete from the context menu.

If prompted to confirm the deletion, click Yes. Exit the regedit  program and restart your computer.

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