How do I tell between GPU and PCIe failure?

By William Chan
Jul 28, 2012
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  1. Hi,

    Built my pc a few days ago, was using the integrated graphics from my motherboard since I was waiting for my Graphics card to arrive. When I installed the graphics card, red lines started appearing, and when I installed the drivers, it would no longer boot past windows 7 startup screen. I am using a Sapphire 6870 and a ASrock H61m-GS motherboard. It definitely has enough power, since I'm using a OCZ-ZS 550w psu. My question is, which is faulty, the PCI-E slot on my motherboard, or the Graphics Card. I have tried using HDMI and VGA, both produce the red lines. How do I check which is faulty? I don't want to return an item that is not faulty :-(

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