Thank you for your detailed response. Sorry for the late answer, I thought I had it set to notify me when somebody replies, but I didn't.
The graphics driver reset would only last a few seconds and would not lead to a permanent blackscreen, right? My blackscreen issue is might be due to temperature (or maybe voltage), since I noticed the temperature in Ryzen Master, which should report the temperature without ryzen's safety offset since version 1.0.1 according to multiple articles, is much higher than in AIDA64 temperature tab. A temperature called CPU Diode, which is closer to the one sh