i have a core 2 duo 2.40ghz and a gigabyte s-series ga-965p-ds3is3 motherbord and i overcloked it with fsb - 333mhz | cpu core voltage - 1.45v at first it started up and work then when i restarted it didnt like it and now it wont do it al all it turns on and off a few times n goes back to 2.40 any ideas?