I have read several threads about Vidio problems. most of them are legit driver issues. But a couple are pointing twards "Backward Compatibility". If you have an older MOBO with an AGP port,,chances are its only a 2X/4X slot. When you spend the money for a Ground Pounding Grafics card its most likely a 8X AGP card. If the card Isn't "Backward Compatible" to 4X,,It Isn't gonna work. All You Gamer Newbies just keep that in mind and your Blood Presure will remain stable. Good luck and FPS to ya.