Once the motherboard starts beeping at you then it's probably getting pretty damn toasty in there. My old PC used to yell at me like a fire alarm because it turned out the fan on my CPU cooler at the time didn't spin properly and couldn't cool my CPU when I tried to play CoD4.
In retrospect that may be the reason why that computer started breaking in ways that defied the laws of science and can only be explained with magic.
Of course, I don't know if motherboards still do this. The motherboard in the PC I mentioned was from the mid-90's

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