[sf-lug] Fwd: [UMALUG] Detect displays and resolution with nvidia-settings

[Michael Ash]

Thanks very much for the insight on this.

This is also helpful (see the comments, too)
http://techxplorer.com/2007/11/15/getting-a-projector-to-work-under-ubuntu-linux-with-nvidia-drivers/




Best,
Michael

On Wed, Apr 2, 2008 at 12:43 PM, Sameer Verma <sverma at sfsu.edu> wrote:
> Kristian Erik Hermansen wrote:
>  > Any ideas?
>
>
> >
>  >
>  >
>  > ---------- Forwarded message ----------
>  > From: Michael Ash <mash at econs.umass.edu>
>  > Date: Wed, 2 Apr 2008 12:07:47 -0400
>  > Subject: [UMALUG] Detect displays and resolution with nvidia-settings
>  > To: umasslug at ecs.umass.edu
>  >
>  > Dear all,
>  >
>  > I am using nvidia-settings with much success to manage two displays
>  > with TwinView.    nvidia-settings has a nice gui to set the two
>  > displays next to each other, above and below, cloned, etc.
>  >
>  > One oddity is that when I plug  the cable from the external monitor
>  > into my laptop and "Detect Displays"  the highest resolution that the
>  > external monitor offers is 640x480.  If I need the two monitors at the
>  > same resolution, then I have to heavily downgrade the resolution on my
>  > laptop.  Here's the oddity:  if I boot up with the external monitor
>  > plugged in, then it, not my laptop monitor, is active, and it achieves
>  > a resolution of 1024x768 (or sometimes higher). I can then enable my
>  > laptop monitor.
>  >
>  > So why won't the external monitor offer better than 640x480 when I
>  > connect it second?  Is there a way to force a higher resolution?
>  >
>  > Thanks.
>  >
>  > Best,
>  > Michael
>  > _______________________________________________
>  > UmassLUG mailing list
>  > UmassLUG at ecs.umass.edu
>  > https://www.ecs.umass.edu/mailman/listinfo/umasslug
>  >
>  >
>  I have the same problem in my classrooms, especially with older
>  projectors. If I swap my /etc/X11/xorg.conf with this one (a copy of my
>  old xorg.conf at http://opensource.sfsu.edu/node/172) then it works
>  fine. Go figure.
>
>  I haven't had time to discern the differences between the xorg.conf from
>  nvidia-settings and the one I had from a while ago. I am sure the
>  "nugget of knowledge" is lodged somewhere in there .
>
>  Sameer
>
>  --
>  Dr. Sameer Verma, Ph.D.
>  Associate Professor of Information Systems
>  San Francisco State University
>  San Francisco CA 94132 USA
>  http://verma.sfsu.edu/
>  http://opensource.sfsu.edu/
>
>



-- 
Michael Ash, Associate Professor
 of Economics and Public Policy
Department of Economics and CPPA
University of Massachusetts
Amherst, MA 01003
Tel +1-413-545-6329 Fax +1-413-545-2921
Email mash at econs.umass.edu
http://people.umass.edu/maash