I have a gigabyte 560 ti installed as the video card. I just finished building my pc. Now when it was just the motherboard and the processor I started the motherboard and the dr. debug lit up normaly and I figured everything was good to go. So I installed the rest of the build and turned on the computer the all the fans work but I get no video and the Dr. debug isnt showing anything. What could my problem be? Im totally lost