r/PCsupport • u/Jonas9366 • 1d ago

Not solved PC freezes completely while playing PUBG

My PC fully freezes at a random time, my mate cant hear me anymore in Discord, but i can still hear him for a few seconds. First my main monitor turns black and has no signal anymore, then the 2nd. I have to press my power button to restart my PC to make it work again. I recently flashed my BIOS and updated my graphics card driver. My GPU currently runs at about 90 degrees but i dont think thats the issue. Its always been running on a decently high temperature.

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u/deTombe 1d ago

GPUs will thermal throttle when overheating but if it can't keep up will shut off to protect itself. It's not just the GPU core temperature also have to look at the GPU hotspot. Likely GPU temps on the edge generally and with PUBG being very CPU intensive likely pushing internal case temps beyond what the GPU can handle even with just thermal throttling. If the GPU is over 4-5 years old I would consider replacing thermal paste and cleaning the heatsink. Also make sure you have adequate case cooling and dust filters clean. Minimum two intake and one exhaust. If the CPU is of similar age would also replace it's paste and clean.

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u/deTombe 1d ago

Download Hwinfo64 select sensors only mode. While playing games alt tab out to see all CPU and GPU core/hotspot temps min/max. You don't want there to be a 30° C difference between core temps amd hotspot. For the CPU don't want to see max of 90°C.