Hi all, first post on here. Did my first self build last week with help from a friend. ASUS P5Q SE2 600W EZCool PSU 1024Mb nVidia GeForce GTS 250 Intel Core 2 Quad 8300 2.5GHz 2Gb RAM 320Gb + 80Gb Hard drive Windows 7 64bit Built it last week and its been having problems powering up. Sometimes it doesn't start when I turn it on at the front, sometimes it turns itself off when on, crashes or resets itself. I looked around for what problems it may be and decided to try updating the drivers but when I turned it on, nothing. No lights, no fans, no beeps. Replaced the PSU with another and still nothing, the LED on the motherboard does not even come on and as I know its not the PSU I'm thinking it must be the motherboard. I've only had it up and running for a less than a week, could my motherboard be dead already? I really don't want to shell out another £70 to get a new one. Any suggestions? Cheers!