I just bought a ATI 9550 256mbram vid card. When I install it, I get a black screen, won't even got to BIOs. The card is good because it works on my second PC. My main is a K7VTA3 v8.0 WIN XP 1gig ram. All the latest BIOs and VIA 4in1... Any suggestions? or do I take it back for a different make?