DVD/CD drive is missing with error code 39

Today I experienced this error on two different machines – both XP.

The CD/DVD drives were missing from “My Computer” and a visit to device manager would show both drives with a yellow exclamation mark and error 39.

This problem results from minor driver corruption and the solution is simple and explained clearly here

In summary you need to delete the value of Lower and Upper filters within the following registry key:

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

The restart the computer and the CD/DVD drives will reappear.

I also experienced a similar issue with a realtec sound card and the solution was identical.

Also Microsoft offer an automated solution here.

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