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Laptop randomly freezes. How to debug it?
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this post was submitted on 06 Feb 2026
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No, I can't access another tty during a freeze, unfortunately.
That's may be a hint!
The only times I've had the desktop freeze on Linux and the alternate terminals fail to respond, I had a hardware issue.
In one case, I was on a Raspberry Pi, and my power supply was not delivering clean enough power for the board.
In another case, my fan wasn't connected properly and the motherboard was overheating.
Edit: Oh! I think I had this behavior once with a RAM stick that was terribly subtly not quite all the way in the slot.