Question RTX 3080 crashing in game - 750watt PSU issue?

azed3000

Distinguished
Feb 16, 2012
231
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18,715
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So I've been having issues recently with my RTX 3080 where if I play games, the gpu would randomly crash and id get errors like "Your graphics card has been disconnected" or "Fatal error - UE4 driver crashed (unreal engine 4). It wasnt apparent in the first 6 months of owning the gpu, but started happening recently with some newer games, i tried to see what had changed and it seems like the new games are utilizing 100% gpu usage as they are more demanding, where as prior, the games i played would utilise 85-95% max. This led me to believe it was a PSU Issue. I have 2 seperate cables plugged into seperate PCIE ports on the psu. Also removed all overclocks, re-installed the drivers, reinstalled windows 10 (was originally on windows 11), did every other form of troubleshooting before buying a PSU

Specs:
CPU: i9-10900k @ 5.2Ghz 1.38v (1.34 on load)
Memory: 32gb 3600mhz Ram
GPU: MSI RTX 3080
Cooler: EK custom loop D5 pump with gpu + Cpu block
PSU: 750 watt Corsair rm750 Gold
Mobo: Asus ROG strix z490

Temps:
GPU: 52 degrees max - 50 average
CPU: 85 degrees max - 68 average

My question is, i have purchased a new PSU (1300watt seasonic) and awaiting its delivery, im just wondering if i jumped the gun to early here and if its possible there's another issue? Suffering from buyers remorse as I'd be a bit annoyed if it didnt solve anything and wasted my money.
 

azed3000

Distinguished
Feb 16, 2012
231
5
18,715
5
CPU was topped out at 70 with OC reverted while gaming. It usually tops out high 70s with OC, i had the heater running when I got that 86 figure. Averages 60-70 most of the time. I also ran cinebench when it was hot to rule out CPU being an issue
 

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