Hackintosh enableing GTX 670

hey

im stucked. i dont know what to do. 

i build my first hackintosh system and the installation worked, but my bios are very buggy on the screen, cant really read anything, and i dont know how to enable my evga gtx 670? 

 

pls help me

Try websites that support or are dedicated to hackintoshj like tonymacx86