hi,
have you checked the CPU if it is seated well? also check if the fan cables or any cable is positioned well. i had mine once that one wire of the fan is pinched between the heatsink and the board (i know...).
have you checked the CPU if it is seated well? also check if the fan cables or any cable is positioned well. i had mine once that one wire of the fan is pinched between the heatsink and the board (i know...).