I have an i7-920 on the evga x58 motherboard it's been running fine but lately if I just tap the case and it shuts off, so I tested the power alone tx850 corsair with a paper clip. taped the case,,, it's fine. Pluged it into the EVGA x58 (with nothing else pluged on board) taped the case,,, shuts off.. even taped lightly SHUTS OFF! HELP!!!!