It's getting too hot, and shuts down before damaging itself. Take off the CPU cooler, and at least clean the surfaces, and properly apply thermal paste before reinstalling. Getting a better cooler would be an even better idea.
It's getting too hot, and shuts down before damaging itself. Take off the CPU cooler, and at least clean the surfaces, and properly apply thermal paste before reinstalling. Getting a better cooler would be an even better idea.