PC shuts itself off after a few minutes (sh.itjust.works)

submitted 1 month ago by QueenHawlSera@sh.itjust.works to c/buildapc@lemmy.world

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So this started one day when I shut the computer down. I went to start and shut it down that way.

When I turned it on again it turned itself off after a few minutes. Then it wouldn't turn on until a few more minutes, then it again shut itself off...

I thought I heard a clicking sound when it goes off, so I think it's the power supply.

So I order a new one, wait a week, a slow painful week. And then I install the power supply.

Same issue.

I bring my tech guy over and he plays with the settings in Bios and updates my Bios. It never shuts off in bios so we think it's fixed..

He has to go because he's a streamer and he has a tournament. So I rush him home and think problem solved.

I go to be with my computer, get her out of BIOS and after a few minutes she shuts off and doesn't turn back on. Same problem as before.

So now I'm at a loss. I have no idea what's causing my problem.

Please. If anyone has any ideas I'd love to hear it. I just want my PC back.

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[-] Kolanaki@pawb.social 1 points 1 month ago* (last edited 1 month ago)

Check all the pins and connections.

Reseat the CPU and cooler. Make sure to remove any cellophane that might be on the bottom of the cooler. Make sure your thermal paste is still tacky and spread evenly over the whole CPU where the cooler makes contact with it. Make sure the cooler is properly seated and bolted down.

Make sure every screw hole on the motherboard is screwed in. Make sure it is sitting on the risers and not making direct contact with the case.

this post was submitted on 04 Apr 2026

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