Question Is my GPU or PSU failing my system

Aug 30, 2022
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I've been having issues with my old system. The PC crashes everytime I play a game. I've tried the following games and all result in the same. The screen goes blurry, I believe people call it artefacting. Afterwards it crashes, sometimes I can use CLT ALT DEL to restart the system sometimes It goes completely black and reboots. It looks like I've nailed it down to just the PSU and GPU. If I underclock the GPU using asus software by setting the Power Target to 70% from 100% it seems to work. I was able to play a good 2 hours of GTA 4 and no signs of crashing. How can I determine whether it is a PSU issue or GPU? Both components are approx 4-5 years old.

Games:
GTA4
Half Life Alyx
Ready or Not
Just Cause 3
Just Cause 4
Stranglehold - no above mentioned issues

Specs:

i7 10700KF
MSI Z490 Gaming Edge
Corsair H100i V2
16gb DDR4
Samsung 1TB 960 Pro


ASUS ROG STRIX GTX 1080Ti
EVGA G2 850W
 
Last edited:

lingarajug

Distinguished
Dec 21, 2013
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the cheapest would be to swap the psu and test again on full load and if it still does then its gpu, i am not sure you have access to another similar psu but its the best way for your case, hope that helps.
 

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