http://www.geforce.com/News/articles/how-to-unlock-rages-high-resolution-textures-with-a-few-simple-tweaks
I read that didn't really do any of that what I did was
I downloaded the latest BF3 Driver:
http://www.geforce.com/Drivers/Results/38110
Make sure you check it before you download that driver, That works for my Mobile 540M graphics not sure what you use. So Double check
Driver Sweeper: http://phyxion.net/Driver-Sweeper/Driver-Sweeper/Version-3-2-0/
Uninstall the drivers regularly make sure everything is uninstalled before the Actual Nvidia driver so when it tells you to restart theres no Nvidia left on the computer,
Start computer in safe mode. Run Driver sweeper Check mark what applies for Nvidia.
it will ask to restart say yes. Upon restart reinstall beta driver in ADMIN. After that restart computer again.
When it loads back up go to Nvidia Control Panel, Go to Manage 3D Settings, Click Program Settings Tab Check mark show only programs on computer, Hit Add Find Rage game. Option to Press High Performance Nvidia, Scroll down and make sure verticle sync says "use the 3D application settings" in the RAGE game make sure the GPU function is on. Game will run well from there.