Last night i finally got my pc to boot. I have an asus z97 pro mb i7 4790k cpu 2 gtx 970s cossair 850w psu. Boots fine but i dont know how to get my graphics cards work. The pc isnt reading that they're there. I did have my hdmi plugged into my onboard instead of gpu. I also dont know what pce i (dont know if thats correct) pin to use. The 6 pin plug or 8pin plug. Both a 6 pin and an 8pin can fit on my gfx card at the same time. I tried both at once and my pc wouldnt boot. Not quite sure what the problem is. Im at work so i wont be able to try anything for about 4 hours. I appreciate all the help!