My main PC was down a few days, had a problem of random lockups and my video card drivers were reverting to the generic windows drivers as well. I had thought it was the video card due to the drivers issue (multiple reloads of the driver often ended with a crash too). Also had checkdisk type errors pop up during boot, and eventually failed bootups and failed startup repairs. I even re-installed windows to see if it was something corrupted, but still had issues so rolled back to a backup image. For a while I thought it could have been my nvme drive, since I know they run hot and mine happens to be buried under the motherboard in a very small and tight case. Then I actually got some time to look at the hardware today, which thanks to the case is a bit of a chore. Noticed the CPU fan did not come on when I plugged it into power (just power nothing else). Tried giving it a spin and noticed it tried and stopped, so that was the DOH! moment. I had been chasing down issues with drivers and possible corrupt disks and it was my damn CPU overheating. Swapped the fan and running nice and cool since. Was also able to install a low profile USB 3.0 header extender for the case ports, which I had bought a while ago and never installed (had been using the USB2.0 headers for the case ports), so not a total waste of time. I may need to install a dashboard app to watch the CPU temps, or not, and just remember to check the simple stuff before diving into the more difficult stuff next time.
My mission is to lower the collective IQ of teh Internets one post at a time.