17 hours ago, homeap5 said:
And we will wait for another post like "I made clean install and I have problem with..." or "nothing changed".
Scratch that. I found the culprit.
When I opened HWmonitor, the system CPU usage immediately spiked and stayed up there. Closing HWmonitor caused system to drop again. Using HWinfo64 doesn't yield the same result, for some reason.