gtx570 hd

First off, I'm new to hackintoshing and to Tonymac, so if this is posted in the wrong place I apologize but I need help! Okay so here is my build, It's based on nofilmschool.com's mac pro build. EVGA GeForce GTX570 HD 2560MB GDDR5 SLI Ready Graphics Card (025-P3-1579-AR​) Intel Core...