how to switch monitors

[Bevan C. Bennett]

Ken Chamberlain wrote:
> My monitor died today.  :(
> 
> I plugged in an old 14"er that was sitting around, but it doesn't have
> the capabilities of the other monitor.  How can I configure GDM for a
> different monitor?  The graphical display was unreadable.  I was able to
> CNTL-ALT-F3 and login to a text based display and switch to "init 3"
> mode so that GDM and X and all the graphical tasks are not running.  Now
> I would like to get graphical mode working with the new monitor.  In
> case the broken monitor is repairable, is there configuration files I
> can backup to make falling back to the current configuration easier?

All the info is usually stored in the file /etc/X11/XF86Config.
Copy it to a new name to save that configuration.

 From an init 3 console, you can generate a new config using 
'redhat-config-xfree86'.