How to change resolution of login screen (i.e. gdm)?

[Richard Mancusi]

On Mon, Oct 13, 2008 at 12:44, Chris G <cl at isbd.net> wrote:
> On Mon, Oct 13, 2008 at 11:26:59AM -0500, Richard Mancusi wrote:
>> On Mon, Oct 13, 2008 at 11:12, Chris G <cl at isbd.net> wrote:
>> > On my old (Fedora) system when I changed the system resolution it
>> > changed it for everything, including the gnome login screen.  This
>> > doesn't seem to happen with Ubuntu, the login screen stays obstinately
>> > at a rather low (and grotty) resolution and only when the user desktop
>> > starts up does it switch to my normal 1600x1200.
>> >
>> > Is there no way to avoid the resolution switch between logon and user
>> > desktop?
>> >
>> > --
>> > Chris Green
>>
>> System/Administration/Startup-Manager
>> If Startup-Manager isn't there, install via:
>> System/Administration/Synaptic Package Manager
>>
>> You can do many things there including limiting the number of
>> kernels shown at boot (Advance tab).  This was a question from
>> a different thread.
>>
> Not quite what I wanted (but very useful now I have installed it).
> The Startup Manager allows one to set the graphics mode for the boot
> loader display(s), grub, etc.  What I want to do is to set the display
> resolution for the gdm login screen, maybe there's a gdm configuration
> utility.
>
> --
> Chris Green
>

Sorry, I thought the Startup-Manager settings carried over to the
GDM Login window.

There is a GDM config utility (System/Administration/Login Window)
but I don't see a resolution setting.  I have not dug into it much
because I know some of the setting don't work.  e.g.:
Set the clock to 24hr doesn't work.

-rich