The PSU was the one i recieved with my comp when i bought it i dont know what make it is? i just upgraded my motherboard and everything semed to be working fine untill the other day the comp just wouldnt turn on, and the smell was coming out of my PSU. i bought a new 600w unit and put it in my comp, but it still wouldnt turn on, not even the led light on my motherboard? i wast thinking of taking everything down to a pc repair shop so they can check out which component is broken. does anyone know how much this would cost?