Update Nvidia Driver

To update Nvidia newest driver, please follow the step

Go to Nvidia web site (Linux AMD64/EM64T-Latest Version) to download the newest driver to install.
Once you have Nvidia driver by hand, please run following command.
sudo telinit 3

sudo sh ./NVIDIA-Linux-x86_64-173.14.09-pkg2.run
Enter interactive menu
SELECT "Accept"

SELECT "Yes"

SELECT "No"

SELECT "OK"

SELECT "Yes"

SELECT "OK"

SELECT "No"

SELECT "OK"
After out of interactive menu, run
sudo telinit 5