Bought my Computer in Feb. 2003 Dim 8250 2.66 ati 9700tx 128mb 512mb ram I am all of a sudden havind quite a bit of screen flickering while playing games never had problem before. Have upgraged ati drivers to 3.4 version not problem have been upgraded quite awhile. Should I try upgrade to 3.10 drivers or should I update the system Bios. Thanks For Your Help