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CPU temperature is 72°C, how can I find why? (lemmy.blahaj.zone)

submitted 12 hours ago by [email protected] to c/[email protected]

12 comments fedilink hide all child comments

It's been a while since I noticed that but I can't find the reason. I selfhost :

a linkding with docker
a writefreely
a bludit blog
a CalDav (radicale)

There is a syncthing running for backups done with borg at night (automated with a crontab).

When I htop, I don't see anything to hint me to what is causing the heating.

Any ideas of what I could do to investigate that?

Thanks a lot.

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[–] [email protected] 11 points 11 hours ago (1 children)

When I htop, I don’t see anything to hint me to what is causing the heating.

Bad cooling. If nothing presents itself as the obvious answer, then you have to go with what's left.

Check your thermal paste. Is your cooler seated properly? Do you have sufficient/unrestricted air flow if you have air heating. If you have liquid cooling, do you have enough fluid to make a loop?

[–] [email protected] 1 points 9 hours ago (2 children)

This is my project tomorrow. CPU temps have been much higher than normal, so new thermal paste should hopefully do the trick

[–] [email protected] 5 points 7 hours ago

I've repaired thousands of computers over the past 30 years. It's really not that rare to see cooler brackets find ways to loosen themselves over time. I highly suspect if this is a new thing, just un-seat your CPU cooler, reapply thermal paste, and then properly re-seat your cooler again, and you'll most likely be fine.

[–] [email protected] 1 points 9 hours ago (1 children)

Also, i know it sounds stupid, but check it anyway....have you removed the plastic cover (if there is one ) on the cpu cooler side.

[–] [email protected] 0 points 8 hours ago (1 children)

I built this rig ages ago, so definitely not that. I probably didn't use enough when I upgraded my CPU last year so redoing it should fix it up

[–] [email protected] 1 points 8 hours ago

fair enough