In this Tutorial I will tell you how to install the Latest stable version of NVIDIA Graphics driver 331.79 On Ubuntu 14.04 LTS / 13.10 /12.04 LTS and LinuxMint 15 / 14
This Version 331.79 released on 20th May 2014 with a fix of 5 bugs and no new support to GPU’s
Installation instructions
Step 1: Remove the Older version of Nvidia driver before installation
sudo apt-get purge nvidia*
Step 2: Reboot the system
Step 3: Download the Nvidia Driver 331.79
For 32bit
wget http://us.download.nvidia.com/XFree86/Linux-x86/331.79/NVIDIA-Linux-x86-331.79.run
For 64 bit
wget http://us.download.nvidia.com/XFree86/Linux-x86_64/331.79/NVIDIA-Linux-x86_64-331.79.run
Step 4: Switch to command prompt and stop the running Graphics session
Press Ctrl+Alt+F1-F6 for switching to command prompt
For Ubuntu
sudo service lightdm stop
sudo service gdm stop
For LinuxMint
sudo mdm stop
Step 4: Give execute permissions to the installer
sudo chmod 755 NVIDIA-Linux-x86_64-331.79.run
Step 5: Install the Nvidia 331.79 driver
sudo ./NVIDIA-Linux-x86_64-331.79.run
After successfull installation reboot the system
SOURCE : ASKMETUTORIALS