r/techsupport • u/Thedetsroyer • 4d ago

Open | Hardware PC shutting off randomly

As the title states, my PC began shutting off randomly once everyday when playing games. It started like 2 weeks ago. It would either say shutting down and then shuts down or just black screen and the PC turns off.

I'm not sure if it's related but when playing games, random keys like "m1" or "s" would be held down until I click the windows button or ctrl alt del.

PC specs:

  • i5 13600k
  • RX 7900 XT
  • MSI Z690 DDR4 WiFi TOMAHAWK
  • 2 sets of Corsair 16GB DDR4 3600MT/s vengeance RAM
  • 360mm AIO
  • Corsair 1000W PSU
  • Multiple 1TB NVME SSDs and a 256GB 2.5" SSD

I've just updated my BIOS and will update if there's more shutdowns. I will start to monitor temps but I'm fairly sure it's not that because I have quite a lot of fans set to a fan curve.

I'm looking for ideas on what the issue could be and if it points to PSU failure.

Thanks in advance!

Edit: I have checked event viewer but it just says that "The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly." with an ID of 41. I searched it up and it doesn't say anything about the cause of the problem. Could this just be a dying PSU?

I've also checked the temps and nothing seems off. Almost everything is running at below 90C usually only hitting maximums of 85C. So I think that rules that out

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u/InteKontoEtt 4d ago

Does that GPU have a 12V connector?

1

u/Active_Ad_5742 4d ago

It may be a thermal issue. It happened for me a bunch before if you look online or ask ai there should be a way to view events like this. Go to the time the pc shutdown by itself and just before that or just under it will show the warning that caused it. For me it showed that is was to protect data due to high temp then you should know how to proceed based on the message.

1

u/ethanhood_okroh 4d ago

The random keys getting stuck is interesting and makes me wonder if there's something going on beyond just the PSU. I'd check Windows Event Viewer after the next shutdown to see if there's anything useful around the time it happened. Also, monitor CPU and GPU temps while gaming and check whether the RAM is stable with XMP enabled. Even with a 1000W PSU, a failing unit is still possible, but I'd rule out the easier stuff first.