I just bought a video card (Radeon 9800 Pro) off my friend and I've been testing it with my system and so far its been working pretty good. All of a sudden, when I would turn on my computer it would start to display these yellow vertical lines on my screen. Once I restarted my computer, they would usually go away. Does anyone know what is causing this, is it my GPU or is my screen going bad? Any help would be great. Thanks.
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