laptop display to a projector

[Dazed_75]

On 4/16/07, Darrin Chandler <dwchandler at stilyagin.com> wrote:
>
> On Mon, Apr 16, 2007 at 04:52:35PM -0700, Dazed_75 wrote:
> > I gave a presentation this afternoon but was unable to get the gnome GUI
> to
> > display at any resolution I tried (1024x768, 800x600,
> 1280x800).  Actually,
> > 1280x800 did display at first but poorly.  I was using my HP dv6275us
> laptop
> > running Ubuntu 6.10.  This machine has an Nvidia 7400 card (128mb on
> board)
> > and the linux restricted drivers installed (not the nvidia
> binary).  During
> > boot up most text screens and the splash screen would display.  In most
> > cases the gnome desktop displayed like a hash of bars and boxes with
> nothing
> > readable.
> >
> > Afterward I came home and plugged a reasonably nice monitor into the vga
> > port and got similar results.
> <snip>
> > Anyone have any good ideas.  I am giving another presentation
> tonight.  My
> > current thought are to port the presentation to Microsoft Office and use
> > Windows to try driving the projector (yuck).
>
> I have a similar situation, using the generic `nv' driver rather than
> the blob. I am able to do presentations at limited resolutions. I think
> the best I've got on a projector was 1024x768. Anything higher results
> in the bars & boxes as you describe. You might also see if limiting your
> color depth makes a difference (just guessing on that).
>
> FYI, I'm not using the Gnome GUI, just working with xorg.conf.
>
> --
> Darrin Chandler            |  Phoenix BSD User Group  |  MetaBUG
> dwchandler at stilyagin.com   |  http://phxbug.org/      |
> http://metabug.org/
> http://www.stilyagin.com/  |  Daemons in the Desert   |  Global BUG
> Federation
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I was thinking about this earlier.  Since the LCD screens on laptops always
refresh at 60 Hz, maybe the projector does not expect to run selected
resolutions at 60 Hz.  I talked with Joe earlier and he told me he had the
same problem until he did something in the projecters menu to fix it for
him.  Most curious.


-- 
Be who you are and say what you feel, because those who mind don't matter
and those who matter don't mind.  - Dr. Seuss
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