Check your registry for the presence of upper and lower filters per the article
cited below. Delete if found.

http://support.microsoft.com/?scid=k...4060&x=12&y=13

"Wisconsin Help?" <Wisconsin Help?@discussions.microsoft.com> wrote in message
news:05C77BDE-37A2-4BA4-BE6D-78009DE16DF2@microsoft.com...
> Hey Gang,
>
> Long time reader, first time poster....
>
> I normally would consider myself relatively computer saavy, however, I've
> got a problem that I haven't been able to fix... even after a complete and
> destructive WinXp Re-install.
>
> I have 2 DVD Burners, one an external DVD burner and the other is a brand
> new Sony DRU-190A that are both showing up as CD Drives in Windows Explorer.
> However, with Nero, they show up as DVD Burners/Drives.
>
> I am running Win Xp Media Center 2005 with a new, clean install. I need to
> fix this because I use the Media Center software to record shows during the
> week for work and from what I've been able to read, only Media Center can
> burn the recorded shows off of media center.
>
> Is there some way of getting these 2 drives to recognize correctly? I've
> already uninstalled the drives from the Device Manager and they still didn't
> come back correctly.
>
> Thanks all...