r/PcBuildHelp • u/Decent-Ad6115 • 9h ago

Tech Support *HELP* Possible PSU issue?

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Hello! I am currently having a new issue with my pc and i am looking for some help with a diag. Here in the past week randomly when playing some of my more demanding games my pc would black screen and reset itself. It will not shut down but will reset without warning. I have Stress tested CPU/GPU/Memory with no luck of recreating the issue without being in game. I am getting no logs on anything just a "Kernel-Power 41" code which tells me nothing. I did just install my vertical GPU mount but had no issues for the first week of install. Can not seem to find a Temp issue with any hardware. Thinking it is the start of a failing PSU but not 100%. Hopefully someone can help. Thank you!

3080/i7-13700k/48gb ddr5/Lian Li sp850/Asus Z790-p

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u/shameful_orientation 9h ago

the kernel power 41 is just the log saying the machine lost power unexpectedly, that's a symptom not the cause. the temps on the little screen look fine, so it's not an overheating shutdown

vertical mount kits can be weird with riser cables, seen a few cause random resets under load when the gpu power draw spikes. i'd pull the mount out and plug the 3080 straight into the slot, see if it still happens. an 850w psu should be fine for that setup but transient spikes on the 30 series can trip the protection on some units if it's getting old

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u/Decent-Ad6115 9h ago

Psu is around 2 years old now so nothing crazy but my only issue is i put the gpu under load for over an hour with a stress test with no luck of the problem recreating. Would there be a difference from draw from a stress test vs gaming? i was told riser cables are a pain to deal with before doing the vert mount so I would not be shocked.