I am 3+ motherboard not working with XFX are 7800 series sapphire addition, silencer Mark III 600 W PC and power cooling, quad core, VGA LED lighting up red bought a new graphics card to try to fix the problem LED light was not on and for some reason the system wasn't recognizing the xfx 7770 Radion series graphics card and it was only recognizing it as Standard graphic adapter or something similar. boots up regularly otherwise