I just but together a AMD3+ FX8150 eight-core 16MB Cache and a Gigabyte 990FXA-UD3 Motherboard, 32MB memory (Kingston). XTI Radeon 1GB DDR3 VGA/DVI/HTMI video card and a Seagate 2TB Hard drive, 650 watt power supply with Window 7 64 bit. Would not start up no power, so I Breadboarded the m/b with 1 stick memory, video card and a speaker. jumped the start switch and I don't get any power!. If I leave the CPU 8 pin power supply off the m/b the fans will come on. I think there a short in the CPU? I also removed the battery for about 15 min still no power with both power cables installed.