Re: Gnome 2.14 display on projector. [on a laptop with ATI Rage graphicscard]

[Søren Christensen <severino@ulvedalen.dk>]

On Fri, May 05, 2006 at 10:42:09AM +0200, Florian Kulzer wrote:
> On Fri, May 05, 2006 at 11:16:37 +0700, Surachai Locharoen wrote:
> > I have notebook which have configuration below 
> > (Linux surachai 2.6.15-1-686 #2 Mon Mar 6 15:27:08 UTC 2006 i686
> > GNU/Linux) + gnome 2.1
> > 
> > I want to present display on projector. I press Fn + F4 but this screen
> > doesn't show on projector. Do you know what I am wrong?
> 
> Xorg often overrides the Fn + F4 switching of the BIOS. Depending on
> your video card, one or more of the following might work:
> 
> 1) For some cards there is a command available to switch LCD and
>    external video on and off. Using ACPI and a bit of scripting you can
>    even assign this to special keys.

Does anyone know how to do this with an ATI Rage graphicscard? What
packet to install? What command to use?

> 2) Sometimes Xorg can be tricked by switching to a tty and using the Fn
>    + F4 combination there. Then you have to restart X without switching
>    back to the CTRL + ALT + F7 terminal, for example by running
>    /etc/init.d/gdm restart
> 
> 3) Sometimes it is necessary to write a special xorg.conf for a cloned
>    dual display setup and start X with that layout, e.g.
>    startx -- -layout Beamer
>    (assuming that you called this layout "Beamer" in xorg.conf.)

How do you do that, and where can I find the needed information?

best regards
Severino