install nvidia graphic driver

1. apt-get remove nvidia-glx
(or, rm /etc/init.d/nvidia-glx)

2. apt-get install build-essential

3. vi /etc/default/linux-restricted-modules-common

DISABLED_MODULE="nv nvidia_new"

4. vi /etc/X11/xorg.conf

5. Find the line with “Modules” and comment out (by putting a "#" before the line) the 2 lines

Section "Modules"
#Load "dri"
#Load “GLcore”
Load "glx"


Find the Section "Device" and make sure the word is “nvidia”

Section "Device"
Identifier "NVIDIA Corporation"
Driver "nvidia"
BusID "PCI:1:0:0"

6. /etc/init.d/gdm stop

7. sh nvidia-driver

8. /etc/init.d/gdm start