Oh , it seems you have a mobile gpu. Get the drivers from the following:
Drivers | GeForce
Select your gpu , os and finally download them. You can also try the new geforce experience. It automatically updates your driver when online and also sets the optimal settings in a game, depending on your gpu horsepower. You can ofcourse manually change in-game settings. Geforce experience is a good thing and protects the user from all the troubles about upgrading drivers from time to time.