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Am I right in reading going down to 1.00 would mainly be for DVD compatibility? Otherwise, thank you!

I appreciate it! I think I've determined it's beyond me wanting to repair, so I decided to get a new one. This new one seems to be FW 1.02

This is what I see in the info panel now:

Drive Information
OS device name: \Device\CdRom0
Current profile: BD-ROM
Manufacturer: HL-DT-ST
Product: BD-RE ...

My Archgon MD-8107-US-UHD (a slim external enclosure for the LG BU40N drive) suddenly stopped working today. I bought it about 3 years ago and have been using it to rip/backup my 1080p/4K collection for the last few years without problems.

As of right now, if I plug the drive in, I hear the usual ...