Explore Your World: Reconfigure xserver-xorg On Ubuntu Jaunty (9.04)

S sudo dpkg-reconfigure xserver-xorg

xorg.conf

Before installing any driver for ATI or nvidia, please make backup xorg.conf before following this method.

$ sudo cp /etc/X11/xorg.conf /home/user

If you have edited this file but would like it to be automatically updated again, run the following command:

$ sudo dpkg-reconfigure -phigh xserver-xorg

If you want to try this xorg.conf after installing the driver, you must back up your xorg.conf as following. And then, edit /etc/X11/xorg.conf in text editor. Add or modify this xorg.conf sample.

xorg.conf for nvidia

Section "Screen"
Identifier "Default Screen"
Device "Configured Video Device"
Monitor "Configured Monitor"
SubSection "Display"
Depth 16
Modes "1280x1024" "1024x768"
Option "AddARGBGLXVisuals" "True"
EndSubSection

Option "AddARGBGLXVisuals" "True"
Defaultdepth 24
EndSection
Section "Module"
Load "glx"
Load "GLcore"
Load "v4l"
EndSection
Section "Device"
Identifier "Configured Video Device"
Boardname "vesa"
Busid "PCI:1:0:0"
Driver "nvidia"
Screen 0
EndSection

Section "Device"
Identifier "Device0"
BoardName "Generic Geforce 5500"
Driver "nvidia"
Vendorname "NVIDIA Corporation"
Option "DualHead" "1"
Option "ShadowFB" "1"
Option "FPScale" "1"
Option "TwinView" "True"
Option "TwinViewOrientation" "RightOf"
Option "UseEdidFreqs" "True"
Option "Metamodes" "1024x768,1024x768"
Option "UseDisplayDevice" "DFP"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "nv"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7600 GT"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
EndSection
Section "ServerLayout"
Identifier "Default Layout"
screen 0 "Default Screen" 0 0
EndSection

Section "Extensions"
Option "Composite" "Enable"
EndSection