this post was submitted on 21 May 2026
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PC randomly restarts out of nowhere (sh.itjust.works)
submitted 16 hours ago* (last edited 11 hours ago) by HerbalGamer@sh.itjust.works to c/pcmasterrace@lemmy.world
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As title suggests.
Coming home the other day I find my PC started to restart out of nowhere, with no warning before or errors afterwards. I haven't changed anything and haven't had this problem before.

Any suggestions on what to do?

Device specs:
Processor Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz 3.60 GHz
Installed RAM 64.0 GB
Storage 233 GB HDD ST9250315AS, 112 GB SSD OCZ-VERTEX2, 466 GB SSD Samsung SSD 970 EVO Plus 500GB
Graphics Card NVIDIA GeForce RTX 3060 (12 GB)
System Type 64-bit operating system, x64-based processor
OS Windows 10

UPDATE: Memtest got through 2 out of 4 passes in under 4 hours before I got fed up with waiting, which in itself seems a good sign since it didn't restart there.
Event viewer showed one odd Event: The process C:\WINDOWS\Explorer.EXE (ANDROID-17) has initiated the restart of computer ANDROID-17 on behalf of user ANDROID-17\smuld for the following reason: Anderer Grund (geplant) Reason Code: 0x80000000 Shut-down Type: restart Comment:

No idea why because automatic restart is disabled.

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[–] Armok_the_bunny@lemmy.world 3 points 16 hours ago* (last edited 16 hours ago) (1 children)

~~Double post.~~

Are you running Linux or Windows?

[–] HerbalGamer@sh.itjust.works 3 points 16 hours ago* (last edited 16 hours ago) (2 children)

Windows 10

Edit: no double post, just a crosspost

[–] Armok_the_bunny@lemmy.world 1 points 16 hours ago (1 children)

Got it, my first guess was Windows Update, but that definitely isn't the case. When you say restart, did you actually see the whole shutdown and startup process, or did you just come home to find it on the login screen with nothing running? Also, have you checked the Event Viewer to see if anything was recorded there?

Thought it was a double post because it showed up twice on my feed within seconds of each other, and I didn't notice different communities, sorry.

[–] HerbalGamer@sh.itjust.works 2 points 16 hours ago

Yeah I saw it restart. Screen just goes black and PC turns off, then starts back up as if I booted normally. Event viewer didn't really seem to log anything specific around the time of crashing :(

[–] Junkers_Klunker@feddit.dk 1 points 16 hours ago (1 children)

Windows 10

Yea that’s your problem.

And I’m not trying to be a “hurt durr use Linux” but my wife’s windows laptop will do that from time to time and none of my Linux PCs does anything other than what they’re told.

[–] HerbalGamer@sh.itjust.works 4 points 16 hours ago

I understand the sentiment but the weird thing is that nothing like this has ever happened before.