my dvd/cdrw combo doesn't recogonize any dvd disks

[John Ruschmeyer]

On Fri, 2005-04-22 at 14:27 +0800, drife wrote:
> On 4/22/05, Emil Oppeln-Bronikowski <opi at cyb3r.org> wrote:
> > Hongming Yang napisał(a):
> > 
> > >The dvd/cdrw combo works fine with any data CDs, but cannot work with
> > >any DVD disks. Anyone met the same problem?
> > >
> > >
> > Video DVD or Data DVD? Video DVD is not supported out of the box because
> > of legal matters. You can fix that by enabling Universe and adding some
> > DVD codecs (I have no idea wich one, because I don't own DVD;-). I bet
> > Wiki/Fora will be helpful here. (I'm guessing it's DVD-CSS and Xine
> > backend for Totem).
> > 
> I tried both Video DVD and Data DVD. Neither of them can be recognized
> by my DVD/CDRM combo drive. By the way, I am using thinkpad T40. The
> device manager says it is UJDA745 DVD/CDRW.

Are these pressed (commercial) or burned DVDs? I've see a couple of
early combo drives that won't read DVD-R's.
-- 
John Ruschmeyer <jruschme at gmail.com>