Question PC crashes for a second and displays can't recover

Aug 4, 2021
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So i recently got an issue with some crashes.
After playing like 15-20 mins, PC crashes for a second and display freezes until I restart windows. Everything runs as smooth as before but the only issue I got is that it crashes often like that.

Usually happens on bigger games like gta and etc. It started to happen after the latest windows update (KB5004237).
At the beginning I thought it could be some kind of driver problem, so i tried to reinstall and update graphics and display drivers, but it did not work. Event manager doesn't show anything either.

I assume it could be faulty PSU but i'm not entirely sure about that, because it all started after the windows update, never had any problems with this pc before that.

Any suggestions what I should try out, before doing entire reset on it?

Also, i kept my task manager open once, and i saw that, before displays crashes my gpu went from 40% to 99% with just a second. I didn't see any other suspicious thing at that time.
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