Please remember that once the driver is installed, there is no need to configure nf by default. You are probably in the Optimus case if your NVIDIA card is found with the next command: /sbin/lspci | grep -e 3D Please remember that you need additional steps for optimus. You can also check the supported chips section and see which series is recommended for you card, then install the appropriate driver series. If you don't know it, open a Terminal (Applications > System Tools > Terminal) and type: /sbin/lspci | grep -e VGA To determine which driver you need to install, you'll first need to find your graphics card model. NVIDIA has several driver series, each of which has different hardware support. The prerequisite is to have followed the Configuration page to have at least the RPM Fusion nonfree section available. This howto will help you install the correct NVIDIA driver on Fedora for your graphics card as well as troubleshoot common driver problems. PAE (Physical Address Extension) kernel users.

Nvidia graphics driver install log