there are 3 red lights on the back of my 4870 card and no signal coming up on the screen.But its not the card because i sent it back and they said nothing was wrong with it so i dunno whats wrong with it please help
http://img27.imageshack.us/img27/5470/shrine004.jpg
http://img27.imageshack.us/img27/5470/shrine004.jpg