Question PC keeps randomly shutting down when playing certain games ?

Jan 22, 2022
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Hi people, I've been having this problem for a long time now and I can't figure it out what it is.
So my PC randomly shuts down while playing certain games, for example it shuts down in the first minutes when I start Days Gone or Dying Light but I can play Warzone for hours and hours and nothing will happen, same goes for Horizon Zero Dawn or other games.

It just shuts down like power went off, so I thought it was PSU but what is odd to me, my RGB pad is still lighting when PC turns off, so I don' think its PSU?
In event log it just gives me kernel power 41error.

The game I'm playing now is God of War and sometimes it shuts down PC after 10 minutes of playing, sometimes 2, sometimes I can play for 3 hours without PC shutting down.
Also I run furmark and when I do GPU test PC stays on but when I try GPU Benchmark test in FHD it shuts down.
I would be very grateful If someone can help me, I will write my PC specifications below.

MB: GIGABYTE B450 S2H
CPU: RYZEN 5 3600
GPU: NVIDIA GTX 1070 MSI GAMINGX
SSD: CRUCIAL 120GB, HDD 2GB
PSU: FSP sp500-a 450w
RAM: 2x8 BALLISTIX 3200mhz
 

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