Thanks for your help Chad. The file listed in /var/log/XFree.log is
called etc/X11/XF86Config-4
I went to that file and found the screen section you mentioned and
found ONE 'mode' line which reads:
Modes "1024x768" "800x600" "640x480"
I guess this means I already have 640x480 configured, which is the
resolution I want for use with my panel projector. However, pressing
Ctrl+Alt+- (while in Gnome) still doesn't do anything.
Any other ideas? -Jay.
> Ah, that's different than not understanding what pressing Ctrl+Alt+-
> meant, hence my confusion. X is what the graphical interface to Linux
> is called, in the general case. XFree86 and X.org are common versions
> of X. GNOME, KDE, and others build on top of X to create full
graphical
> user interfaces.
>
> Well, you may have only one resolution configured, then. Instead of
> running Xconfigurator, it may be easiest to just change the
> configuration file directly. It's not hard, and you won't risk losing
> the rest of your configuration. The hardest part, actually, will be
> finding the file to configure. Since you're running RH 7.3, you're
> using XFree86. Take a look in your X logs to figure out where your
> configuration file is. It'll be in /var/log, and it should match
> XFree*.log. Open it up (you may need to be root), and take a look in
> the first 20 lines or so for something like:
>
> (==) Using config file: "/etc/X11/xorg.conf"
>
> Now open that file mentioned (you'll definitely have to be root for
> this) and scroll down until you find the following:
>
> Section "Screen"
>
> In this section (there may be more than one of them) there will likely
> be many lines that begin with the word "Modes". At the end of all of
> these lines, add "800x600" with the quotes, putting some amount of
white
> space between the last mode and this one.
>
> Once you've added your 800x600 resolution to all of your Modes, you can
> either reboot, or just restart X by pressing Ctrl+Alt+Backspace. Once
> you're back in X, try Ctrl+Alt+- again. It should cycle you through
all
> of your configured resolutions.
>
> Let us know if you have any problems with this.
>
> Chad Martin
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