hi i just purchased amd quad 10ghz phenom 9850 4gb/500gb + hd2400pro gal and i cannot get any monitor to pick up any picture!i received 2 discs with this ati driver and amd-nvidia .i also tried running an os but still cant get a picture what is the first step to getting a picture the cables are working, the tower powers up, but no pic is received. any help would be much appreciated