Downloading Battlefield 3 Beta driver problems?

I downloaded and installed Battlefield 3 Beta on my Asus G74sx and I keep getting the messe when trying to play. "Detected NVidia driver version 268.37; minimum version 285.27 Please update drivers before playing the game." How can I solve this problem?|||Download the beta on console....problem solved....PC has been having a lot of problems with the beta.