DVD Drive not working

[Andreas]

All of a sudden my laptop's combo drive stopped working: In device manager I
see:
Windows cannot load the device driver for this hardware. The driver may be
corrupted or missing. (Code 39).

The drive itself is ok as I can use it to boot and enter Windows setup.
Before this, my drive was fine.
I tried to restore the system even to very long time back when the drive
used to work for sure but still it cannot start. This must have to do with a
bug, otherwise it would work when I recovered the system back in time.

Also note that I have a virtual driver for SCSI cdrom drive but I am not
sure from which device this came but it shows exactly the same status

 

[Andreas]

Found it, though I can't understand why and under what circumstances it
occurs
:
Start Registry Editor (Start, Run and type in regedit then click)

Find "UpperFilters" and "LowerFilters" (and "UpperFilters.bak"
"LowerFilters.bak", if they exist) value under the following key in the
registry, and delete it:

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

Quit Registry Editor.

Reboot.

 

[Brian Clegg]

just had same problem

i installed nti cd and dvd maker for vista and got the same problem code 39
searched on google and found the same answer as you about deleting upper and
lower filters

did that and restarted and problem cured and nti runs ok too
must be to do with new software installs

 

[Guest]

I have the same problem please help me... If you get a solution please let me
know.
thank a lot