i'm building a computer for a friend. i connect everything correctly but when i turn on the power, there is no picture. the bios doesn't even show up. i tested the vid card on another computer and it worked.... i had to go back and get a different mobo, and it still had the same problem. the first mobo i tried was ecs 755-a2, and the next was asus k8n. big coinsidence or am i doing something wrong....please help
