I recently bought a refurbished Corsair CX750M psu on Newegg.com and it does not turn on at all (fan does not spin, no noise what so ever, yes it was plugged in to the mobo.) . I've tried using different power cords and opened it up to check if anything broke during shipping.(it did not) It is currently past the 30 day warranty and I would like to know what could be wrong with it or if I should get a brand new one.