Question GPU not detected after stress

Dec 20, 2021
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After any kind of stress, ie playing any game for a few minutes, my screen will go black, sometimes with a bit of flickering, but my computer will not shut off. If I restart it, then it will do a VGA not detected beep, and won't turn on. If I leave it for a few minutes like that though, it will be able to successfully turn on and then the same happens. I have rebuilt the entire computer and reseated every part except for my CPU. It's worked for a few months prior to this happening, so there hasn't been any jarring hardware change that could have done it. It seems as though they are the symptoms of a dying card, but I bought the card less than two months ago, so I don't believe that's it.

SPECS:
Intel 9700k
Zotac RTX 3080
8x2 2666mhz
ASUS z-370 prime A - II