In my case the DVD drive did not show up in Device Manager so these cases
sound different.

"PaulA" <PaulA@discussions.microsoft.com> wrote in message
news:A43195C9-0DB2-4346-A9C1-4694100ADB23@microsoft.com...
> Just for your info, I installed and sucessfully tested and external DVD
> connected via Fireware (similar to yours) and 2 weeks later, when I
> connect,
> Tablet sees the PCMCIA fireware 'card' and the DVD at the other end of it
> and
> even shows the icon of the DVD in 'My Computer', but refuses to open the
> media therin (either DVD or CDs).
>
> Tablet thinks the drive is empty and keeps asking for media.
>
> The error is similar on a non tablet PC supporting your hypothese.
>
> Odd and frustrating, I will try the tweaks recommended by your suppliers.