Thursday, September 30, 2010

Windows 7 DVD driver issue

After a windows update, my DVD drive suddenly went missing from explorer.
Device Manager shows a driver problem, but windows said the driver was fine.  Uninstall and reinstall had no effect.  Reboot had no effect.  I reseated the drive several times with no effect.

I downloaded the Optical Disk drive firmware update from IMB's site, but it couldn't even see the drive.

Then I came across this KB
http://support.microsoft.com/gp/cd_dvd_drive_problems

Apparently, the  UpperFilters and LowerFilters registry values can sometimes get screwed up when installing updates.  The program at the link above fixed the problem right away.



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