Have you checked for a firmware update for the drive?
Best of Luck,
Rick Rogers, aka "Nutcase" - Microsoft MVP http://mvp.support.microsoft.com/
Windows help - www.rickrogers.org
"Coco" <Coco@discussions.microsoft.com> wrote in message
> Hi, first time on these boards.
> I've just upgraded to Vista and I'm having a problem where my nec dvd_rw
> nd-4551a drive will not recognise that there is a disc in it. If I start
> with a disc in, it works but If I start with no disc in it doesn't.
> to the system the drivers are up to date so I can't get my head around the
> problem. It was workin perfectly before the upgrade.
> I can obviously get by, by just making sure their is a disc in when I boot
> up but it is not an ideal situation, Any help would be greatly