Just upgraded my mb with a gigabyte ga7n400el nforce2 and a ati gigabyte 9600 pro vid card, xp installation went fine and up and running but when I install some games, battlefield 1942 and raven shield, after installation when you put the disc in to play, hit play game it says that it can't find the disc , I installed medal of honor and it is running fine,as is combat flight simulator, anyone have any Ideas why it can't find the cd....thanks for any help