I can't find upperfilters and lowerfilters in registry key

I can't find upperfilters and lowerfilters in registry key
barelywiredAsked:
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dfxdeimosCommented:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318} ?
nobusCommented:
it can be they don't exist

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dfxdeimosCommented:
That is the location of the upperfilters and lowerfilters for optical drives on a system.
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barelywiredAuthor Commented:
Then how do I uninstall a defective dvd/cd device completely?  It shows up again with a ( ! ) after reboot.
nobusCommented:
>>  Then how do I uninstall a defective dvd/cd device completely? It shows up again with a ( ! ) after reboot  <<   test with another drive, it probably is just bad !
nobusCommented:
pr test this drive on anaother PC
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System Utilities

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