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[Eagle of Fire]

Adding a little new fan inside to assure the internal components to stay cool enough may solve your problem too. Sometimes this kind of problem may happen when you "overcharge" the motherboard card loadout. In itself it's not a problem but if the heat is too high then the mini components will begin to grow out of proportion in the cards/board and either break or not work at all. That's why you have a security which kick in (like The Fifth Horseman just said) if the temperature get too high.