Where's the UpperFilters ???

[adam]

I'm having the exact same problem with my computer. I'm
running windows xp home edition and it just stopped
recognizing my cd-rom. I can't find the UpperFilters
either. Let me know if you find a solution.
>-----Original Message-----
>Hi,
>
>Have problem w/ CDROM drive (errno 19), and was
refferred
>to this doc:
>
>http://support.microsoft.com/default.aspx?scid=kb%3bEN-
US%
>3b314060
>
>However I can't find UpperFilters value under
>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class
\{
>4D36E965-E325-11CE-BFC1-08002BE10318}
>
>Only LowerFilters.
>
>Anyone can help please?
>
>Thanks,
>Tan
>.
>