Dennis
See if the following will help
http://support.microsoft.com/kb/939052/en-us
--
Peter
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"Dennis Stephens" <> wrote in message
news:E9776477-F4B5-4BBA-BCBA-...
>I have a Dell Studio Laptop 1535 with Windows Vista OS. The optical drive does not
>recognize DVDs. It plays music disks (CDROMS) and plays demos of videos which were
>installed at the factory. I have followed all the instructions in the Help file
>relevant to this matter. The report states that the media is not readable
>(TSSTcorpDVD+-RW TS T633A) and that the drive is not readable or the format not
>supported. Device Manager says that device is enabled and working properly.
> Help!