Difference between revisions of "Ubuntu screen resolution"
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[[Category:Engineering]] | [[Category:Engineering]] | ||
− | This starts the Xorg config process. | + | [[Category:Ubuntu]] |
+ | This starts the Xorg config process. This doesn't detect and set your video resolution in every circumstance. For example, when you are setting up a virtualized guest this process will rarely set video modes above 800x600 or 1024x768. You usually have to manually edit /etc/X11/xorg.conf. See [[VirtualBox_notes#Guest video resolution]] for information on manually setting up video resolution. | ||
+ | |||
<pre> | <pre> | ||
sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_backup | sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_backup | ||
Line 6: | Line 8: | ||
sudo xinit -- :2 | sudo xinit -- :2 | ||
</pre> | </pre> | ||
+ | |||
Look for errors: | Look for errors: | ||
+ | |||
<pre> | <pre> | ||
tail -f /var/log/Xorg.0.log | tail -f /var/log/Xorg.0.log | ||
</pre> | </pre> | ||
− | Restart all servers by bouncing | + | |
+ | Restart all servers by bouncing GDM (or KDM or XDM). Sometimes you have to do "stop" then "start" instead of "restart": | ||
+ | |||
+ | <pre> | ||
+ | sudo /etc/init.d/gdm restart | ||
+ | </pre> | ||
+ | |||
+ | Or you can start a new X server. Note that this is `xdm` instead of the default Ubuntu `gdm`. This usually comes up on tty8 or tty9 (CTRL-ALT-F8). You can go back to the original X server by pressing CTRL-ALT-F7. | ||
+ | |||
<pre> | <pre> | ||
sudo /etc/init.d/xdm start | sudo /etc/init.d/xdm start | ||
</pre> | </pre> | ||
− | |||
− |
Latest revision as of 16:42, 22 October 2008
This starts the Xorg config process. This doesn't detect and set your video resolution in every circumstance. For example, when you are setting up a virtualized guest this process will rarely set video modes above 800x600 or 1024x768. You usually have to manually edit /etc/X11/xorg.conf. See VirtualBox_notes#Guest video resolution for information on manually setting up video resolution.
sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_backup sudo dpkg-reconfigure xserver-xorg sudo xinit -- :2
Look for errors:
tail -f /var/log/Xorg.0.log
Restart all servers by bouncing GDM (or KDM or XDM). Sometimes you have to do "stop" then "start" instead of "restart":
sudo /etc/init.d/gdm restart
Or you can start a new X server. Note that this is `xdm` instead of the default Ubuntu `gdm`. This usually comes up on tty8 or tty9 (CTRL-ALT-F8). You can go back to the original X server by pressing CTRL-ALT-F7.
sudo /etc/init.d/xdm start