Display to the resolution1024x768

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