gpu fans 100%

I recently bought and built myself a computer about a year ago and have been using it daily ever since. For the most part there were no issues until a couple of weeks ago the GPU fans started acting a little weird. For seemingly no reason at all, one of the fans (the utmost left one) starts...

hello,i hope this is the right sections,so my gpu is at stable 79-80 celcius(RTX 2080 Super OC) lately the fans at certain points go like crazy like at 100% for 2-3 seconds that come down to normal set custom profil on after burner then default but nothing seems to be working,does anyone have a...

This situation has evolved quicker than I had anticipated. I will break it down in detail below, but here is a TL;DR with PC specs and some notes. ======= TL;DR Primary problem: random crashes; PC shuts down, as if I pulled the plug; Cannot boot for 15-20s; Everything is fine afterwards. Number...