in some asus or other motherboard systems getting only resolution up to 800x600, not 1024x768. [new version of Ubuntu 9.10 (customized for IT School)]
Try the following method to reset the display to the resolution1024x768
Open terminal and excecute the following command.
sudo X :1 -configure
Now u can see a new configuration file named as ' xorg.conf.new ' in the user's home folder .
Then open the filesystem with administative privileges by using the command ..
sudo nautilus /
Open /home/user folder
Rename the configuration file xorg.conf.new as xorg.conf
Then Open /etc/X11
rename the file ' xorg.conf ' ( if there is ) as xorg.conf.old
Open the user's home folder
Copy the configuration file ' xorg.conf' to etc/X11
reboot the computer.
C the cmd line.May be useful
$ sudo X :1 -configure
$ sudo mv /home/user/xorg.conf.new /home/user/xorg.conf
(user stands username)
$ sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.old
( if the file is there)
$ sudo cp /home/user/xorg.conf /etc/X11/
$ sudo reboot