I found this post using google, searching for the EXACT SAME PROBLEM...
My symptoms are exactly the same as yours, and I've had ZERO luck finding any solution....
Although, the main difference is, my DVD drive is installed in the "docking bay" accessory that came with my Sony Vaio, so it's kinda "internal/external" however way you want to look at it.....
I removed the drive from the dock, and its a toshiba SD-C2502 DVD-ROM and appears to be without defects on the outside...
The device manager shows the drive as a SONY i.LINK CD-RW DVD ROM DRIVE IEEE 1394 SBP2 Device.....
I've searched online using every different string I can think of, hoping to get some scrap of information that might lead to a solution...
If you got yours to work, please share the fix, since I'm stuck at this point...
Thanks in advance for any help fixing this one!
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