Technical Help & Discussion > Self Building, Upgrading & General Hardware Help
dvd / cd roms not working
Simon:
I was going to suggest checking cables and jumpers, but I wouldn't have thought they'd work at all if they were wrong.
Something like this came up before, and I seem to recall there's a registry entry you can either change or remove, for it to be reset.
Simon:
What OS is this, Terry?
TR:
changed/deleted the upper and lower filters in the registry ;D
This is a XP set up
sam:
the fact that it worked on installing suggests XP is to blame...
.. oh I see the last post.
Rik:
Damn, I was just going to do my conjuring trick. ;D
If DVD/CDs become ‘lost’, code 39 error “Windows cannot load the driver. The driver may be missing or corrupted (Code 39)”.
Go to Device Manager, uninstall CD & DVD drivers. Uninstall Primary and Secondary IDE channels under IDE/ATAPI Controllers - ignore requests to re-boot machine.
Go to Regedit, navigate to key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
Look for the key which refers to DVD/CD-ROM drives. Delete the subkey UpperFilters, also LowerFilters if it is present.
Re-boot the machine. All should now be well.
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