ok..i have an amd 2700+...with a pcchips tidalwave w30.. 512 pc3200 ram...geforce 5200 vid card... when i first put it together the thing was lifeless and nothing happened at all... so i went and put a differant power supply in..now i have a 400W power supply and when i hit the power button the cpu fan turns like quarter of a turn and the leds flash for like a half second..then its done...i need some suggestions please...