i just bought an ati radeon hd 2600 pro 1gb graphics card for my old agp system in hopes of bringin a little life back in it and replacing my old x1300 pro. so i uninstalled drivers, took out old card put in new one and when i goto start it up, it goes to the hp splash screen than just freezes up and sits there, the fans spinning on the card so idk whats going on, i need help!