Hi everybody

I've tried to build mac computer with amd system. My specs are:

M4A87TD/USB3ASUSM4A87TD/USB3 AMD 870/SB850 AM3 DDR3 1600MHz MainBoard

AMDPhenom II X4 955 Black Edition AM3 3.2GHz 8MB Cache 45nm

nvidia msi gtx 460

I got everything worked but graphic. I have to delete all nvidia kext to open system. Can somebody help me ?