I just set up my first build, an asus m2n-sli dexule motherboard with an AMD Athlon x2 6000+. I hooked evething up: psu, floppy, ide hdd, ide disc drive, fans, etc... I plugged it in and I couldn't get it to start. After a while, I tried holding in the power button and it started right up. Anyway, I shut the power off so I could move it to where my monitor and peripherals were. Now nothing works. I plug it in and I can see the LED on the motherboard light up, but it will not turn on. Could the motherboard be broken, or is it probably something else? Thanks.