Hi All,I have a ATI 9550 Radeon AGP 256MB,Sometimes playing a game,all of a sudden the screen will go black,and I'll have to reboot.This happen's in 1024x768 or 1280x1024 dosen't really matter.just goes black screen,I have the latest catalyst from ATI for this card.And I've checked for loose connections ect.none found.Is there a setting in the catalyst settings that I may have set wrong?? Please help if you can,driving me nuts.everything seem's to be fine,then all of a sudden click to a black screen?