zotac 1080 ti

I just bought a Zotac GTX 1660. GPU works perfectly fine under load; I tried on different games, and Furmark works perfectly fine, but whenever I exit the game after playing the game or Furmark software, my PC gets stuck at a black screen; after that, nothing will work, and after that, I have to...

About a year ago I bought a pc off of FB marketplace. I went to see the system, tested it out, and decided to buy it. The seller was awesome, he clearly knew his stuff and even provided me with a clean install of windows. I took the pc home, set it up, and it ran great for a few days until it...