Thank you Dalai.
If it is a connections issue (either GPU seating or power cables (the PSU is "semi-modular")) wouldn't that have surfaced shortly after GPU install (5 mo ago)?
Or can things work loose over time? I'm careful to not bang the tower case but I guess there must be some vibration...
@Dalai & Zach -- completely agree it's now primarily a hardware problem. In my haste to post yesterday I failed to acknowledge that and until the hardware issue is resolved anything else is secondary. Based on your responses I should just eliminate the whole driver debacle discussion from the...
[[[Writing from wife’s laptop]]]
I know this isn't really hardware troubleshooting forum but I don't really know where else to start & I've found folks here to be quite knowledgeable in the past. If you can direct to more appropriate forums (except reddit/Quora which I've to be fairly...