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My PC just won't turn on if he is cold. No, it is not "humidity is high" or too low temperature. It just doesn't turn on if he cold start. A little of heat on the mb and he turns on like nothing ever happened. Already replaced PSU, CPU, GPU, HDD, fans. So surely it is just a feature of my mb.
It sounds like a defect.
I would vote (in this order)
Bad capacitor moves up on the list if it wasn't happening and is getting more profound or if you are having other stability issues.
While I bet you have had it for a while, thiswould be enough for me to try a warranty claim. The problem could lead to other issues.
I had a similar issue until I bought a different PSU that was slightly higher capacity. Not sure if it was some cold start GPU power draw quirk but that’s the only thing I changed and haven’t had a problem since.
I changed from a CX500W to a RM850W, nothing changed xD
Yea just sharing my anecdote since not a lot on google about it. My thought is it’s probably some combo of the CPU and Mobo not liking the level of cold. There was a Linus tech tips video on overclocking with liquid nitrogen and one of the quirks is computer won’t boot till you warm it up again.
My tinfoil hat theory is something in the mobo/cpu self shorts/disconnects when too cold and just depends on the silicone quality you get for that number of cold before it needs the hairdryer treatment.
That's funny, same thing here. I'm very thankful to the stranger on a forum who suggested "blasting the motherboard with a blow-dryer." Now sometimes I joke that my PC is diesel-powered.
Mine is solar powered. If I move my PC a little it warms under the Sun and turns on
Similar here: a boot from power off will ALWAYS mean there's no network, but a warm boot will always work.
As a workaround, I always hit the reset button two seconds after turning the computer on.
I can tell there's been a power outage if the computer is on and has no network.
Next time it happens unplug the front case connector and short the power pins. If it comes on, replace the power switch and wires.
Already tried, not even a spark of life. I am afraid of trying the MB's cable short pin and burning something