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Lost my cdrom and dvdrom drive in my computer with Windows 2000 Professional

J

jyates

Diamond Member
Hi all,

I'm trying to help a friend out on his computer.

He has Windows 2000 professional and about 2 weeks
ago his cdrom drive and dvdrom drive came up "missing"
when you look under "My computer".

When you go into device manager there are some yellow
exclamation marks on the 2 devices with a comment that
the registry might be corrupted.

Of course, he has no ghost image or backup to restore to and
I'm wondering if there is a "fix" to get the system to "see" the
drives or am I looking at reinstalling Windows 2000 Pro completely?

I took a blank hard drive I had and did an install of Windows 2000 Pro
on it and you can see the cdrom and dvdrom on that new installation just
fine so I know it's within his windows installation and not hardware related.

Anyone have any suggestions?

Thanks,
Jim
 
You could try this:

Go to start> run and type in "regedit" (without the quotes) then press ok.

1) Remove the Upperfilters and Lowerfilters values by:

a) Expand the "HKEY_LOCAL_MACHINE" key (looks like a folder) by double clicking it.

b) Expand the "SYSTEM" Key

c) Expand the "CurrentControlSet" Key

d) Expand the "Control" Key

e) Expand the "Class" Key

f) Carefully look for a key containing the following string of letter and numbers:

{4D36E965-E325-11CE-BFC1-08002BE10318}.

(The full path is HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-B
C1-08002BE10318} )


g) Highlight this key by left clicking once on it

h) On the right hand side you are looking for "Upperfilters" and "Lowerfilters", once you find these delete them by high lighting (left clicking on them once) and then right clicking on them and choosing "delete"

NB only one key may be present but still delete it.

Now reboot and your optical drive(s) should function again.

NOTE: After you remove the Upperfilters value and the Lowerfilters value, if you notice lost functionality in a particular program, such as CD recording software, you may need to reinstall that software.
 
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