[sf-lug] Fwd: [UMALUG] Detect displays and resolution with nvidia-settings
mash at econs.umass.edu
Wed Apr 2 10:06:47 PDT 2008
Thanks very much for the insight on this.
This is also helpful (see the comments, too)
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 .
> Dr. Sameer Verma, Ph.D.
> Associate Professor of Information Systems
> San Francisco State University
> San Francisco CA 94132 USA
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
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