Thanks for the follow-up.
I was just wanting to try a retail music CD to confirm that it wasn't a media issue. I wouldn't think that you would be having trouble with all those media types.
When you connect the same external drive to another PC, does it work? Especially Windows 8 or newer OS.
What interface cable are you using (USB, Firewire, other)?
I ask because I just grabbed my old LG Slim Portable DVD Writer, Model GP50NB40, USB 2.0, out of my older Windows 7 Pro laptop bag and jacked it into my Windows 10 64 bit Pro computer, inserted a Widows 7 Pro DVD and it worked automatically. I didn't have to do anything, no firmware update, no drivers needed to be installed. The drive was recognized in Device Manager, Disk Management and File Explorer and could read the media without issue.
That's as close as I can come to trying to replicate your problem. I've searched for other people with a similar problem with that particular device and could only find this
http://answers.microsoft.com/en-us/...indows-8/72b81a79-8eb9-4726-823d-9deace345c08
Which while pretty vague, might suggest that the drive might not be compatible with Windows 8 or later Operating Systems, while apparently working fine with Windows 7.
Sorry I can't be of any further help with this issue.