>>>Hi
>>>
>>>I've got problem with a PC DVD drive.
>>>
>>>It'll play CDs but doesn't recognise DVDs.
>>>
>>>I thought maybe the drive was faulty so I bought a new DVD rewriter and put it in the same PC and it has the same problem.
>>>
>>>Anyone got any thoughts on what could be going on here ?
>>>
>>>At the moment I'n a bit stumped.
>>>
>>>Thanks
>>
>>Is it possible that you've got a third party driver installed that only recognizes / handles CDs ?
>
>Anything is possible .I'll have a look. On the device manager it is entered as the correct DVD drive.

Maybe uninstall /reinstall the driver?
Vaguely related suggestion here:http://www.tomshardware.co.uk/forum/249525-35-drive-recognizing
Is it external (USB) or internal drive? What OS? Only asking out of curiosity I'm afraid since I'm not really a hardware guy :-{