PC just turns off.

Andye1985 · 21 Dec 2023 at 09:19

I recently built a PC for my kids, it was working fine for first 3-4 days but yesterday my eldest said he was playing fornite and the pc just turned off, previously he has played the game for over 3hrs with out any issue. The same thing happened today where he booted up the game and then was playing for a bit then the PC just turned off.
PC specs: AM4 3600, 5700xt, with a 750W PSU. I am guessing maybe it is CPU temps going to high, could the CPU paste have like moved due to it being a new build?

What software can i run to check to see if it is the CPU temps?

Cheers

Nate75 · 21 Dec 2023 at 09:50

HWMonitor is a good tool.

I had a similar thing recently and was pulling my hair out.

Swapped out the RAM and GPU from my old machine to test. Re-pasted the CPU...

Had the case open just looking at it to try and just fathom what was going on.

Happened to brush the power cable that goes between PSU and MB and it shut down. Literally left thinking that when the fans started blowing on intensive games it would ever so slightly move the power cable and off the machine went!

Swapped out the cable concerned and not had an issue since.

mickyflinn · 21 Dec 2023 at 11:04

MSI afterburner is a great monitoring tool will also give you info in game.

Download memtest to check if the memory is faulty.

Andye1985 · 21 Dec 2023 at 12:16

Sorry i mean't software to stress the CPU to see if temps spike

mickyflinn · 21 Dec 2023 at 12:25

Andye1985 said:
Sorry i mean't software to stress the CPU to see if temps spike

10 Best CPU Stress Test Software Tools for Devs and Gaming Enthusiasts

CPU stress testing has become necessary to determine the health of your computer and ensure its high performance. Computer performance degrades over time,

geekflare.com

Craig_d1 · 22 Dec 2023 at 13:51

cinebench r23 for stress test cpu, and monitor with hwinfo

Doughnut007 · 22 Dec 2023 at 14:30

First thing I would do is check all the PSU cables including the mains supply.
Unplug each one and ensure it's fully seated.

ATIorNvidia · 22 Dec 2023 at 14:36

What PSU is it?

Gray2233 · 22 Dec 2023 at 16:24

ATIorNvidia said:
What PSU is it?

This.

Not all PSU's are equal, my first thought when your system is randomly powering off would be the PSU.

Although it's worth monitoring your temps regardless.

Andye1985 · 22 Dec 2023 at 18:23

If the PC was overheating should it show in the event. Viewer?

It's only seems to be turning off during fortnite, but on the first couple days he played for 3hrs with no issues.

I have run a gpu & cpu stress test software and nothing happened

I might just reload windows on it

Andye1985 · 23 Dec 2023 at 19:09

so i have reinstalled windows, and it is still turning off during fortnite, i also have downloaded ARK survival and the PC hasnt turned off. I am using windows 11 if that makes any difference.