Hey everyone. I just bought and installed a xfx geforce 9600gt. when i reboot the computer it doesn't recognize any new hardware. i need help. here are my computer specs: Cpu amd athlon 64 X2 4200+ Core speed: 2204.7 MHz motherboard model C51g+mcp51( no manufacturers name with cpu-z) PCI-E 2 gig ram Power supply Delta Electronics output: +12V/15 amp 300 watts I also had to buy a Y- power cable to reach my power supply. I am new at this and appreciate any and all help you may provide. thanks in advance.