Ihave purchased a computer with itnel motherboard no. DG31PR.I have installed a game name call of dute4.it does not play-when i click on this icon it will show-vedio card or driver does not support UBYTE4N vertex data.This game needs nvidia gvc 6800 or above card. should i purchase this card for game or can i download free for any substitute for this.
Are you using the onboard graphics at the moment?
Have you tired settings the graphics of the game to low?