conf.
In XFree86, the configuration file, which has basically the same format, is
/etc/X11/XF86Config.
To have X try to create a working xorg.conf file for you to use, do the following from a Terminal
window as root user:
1. If Linux booted to a command prompt, go to the next step. However, if it tried to start X
automatically, you might have an illegible screen. In that case, press these keys together:
Ctrl+Alt+Backspace. It should kill your X server and get you back to a command prompt.
If X tries to restart (and is still messed up), press Ctrl+Alt+F2. When you see the command
prompt, log in as root and type init 3. This will temporarily bring you down to a
nongraphical state.
2. To have X probe your video hardware and create a new configuration file, type:
# Xorg -configure
3. The file x.org.conf.new should appear in your home directory. To test if this new configuration
file works, type the following to start the X server:
# X -xf86config /root/xorg.conf.new
A gray background with an X in the middle should appear. Move the mouse to move the
X pointer. If that succeeds, you have a working xorg.conf file to use.
4. Press Ctrl+Alt+Backspace to exit the X server.
5. Copy the new configuration file to where it is picked up the next time X starts.
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