Hello everybody im new here so bear wit me GA-81955x Royal, P4 3.0 dual core, pny 6600gt, 2x 1gb ocr, xion case and power supply(450w). Built myself worked fine for a year. Last time i shut it down fine and now it wont boot not even into bios(black screen). I've unplugged everything except for power supply(of course), MB, Video card, ram(even tried each stick separate), and cpu. It still just gives me a black screen Tried different monitor nothing Maybe video card, MB, or psu? Any help greatly appreciated! Thanx so much.