How to install Nvidia drivers in Ubuntu Feisty or later versions
First you need to make sure you have nvidia disply card go to System---> Administration--- > Restricted Drivers Manager
Now you should see similar to the following screen here you need to Check the box to enable the drivers
Enable Nvidia drivers popup here you need to select Enable Driver
Downloading the nvidia drivers in progress
Installing the software in progress
Nvidia Drivers installation completed.Now you need to reboot your machine to start using your nvidia drivers.