[vox-tech] help with xorg.conf

[Ken Bloom]

On Tue, 2009-06-23 at 02:42 -0700, Thomas Johnston wrote:
> I am pretty new to Linux and was wondering if anyone can help me
> resolve some issues which I believe may be related to the xorg.conf
> file.  Some relevant stats:
> 
> Computer: Dell Vostro 1500
> Distribution: Ubuntu 9.04 (Jaunty) with KDE
> graphics card: Nvidia GeForce 8600M GT and I have
> driver: Nvidias driver 180.44
> External Monitor: Acer AL2216W
> Both the external monitor and my laptop display have a native
> resolution of 1680x1050
> X Server Information:
>     Server Version Number: 11.0
>     Server Vendor Version: 1.6.0 (10600000)
>     NV-Control Verions: 1.17
>     X Screens 1
> 
> 
> Until recently, I had been able to connect the external monitor to the
> VGA port on my laptop and use separate X screens without a problem.
> However, I am working as a TA this summer and need to use my laptop
> for teaching purposes.  Two days ago I connected it to one of the LCD
> projectors found in the classroom in an attempt to test the video
> display and hopefully get the projected image to mirror my laptop
> screen.  I made some changes by running gksudo nvidia-settings.  I
> monkeyed with the "TwinView" and "separate X screen" options as well
> as the position of the screens, but I never could get it to mirror my
> laptop display.
> 
> The problem I am having now, is that I can no longer get it to work
> (well) with my external monitor at home now.  I have spent many hours
> trying to get functionality restored.  It seems that the more I try to
> get things to work, the worse the problem gets.  The advice of
> websites such as:
> 
> http://www.ubuntulinux.org.cn/hacks/opensource/0596527209/i-0596527209-chp-5-sect-4.html
> 
> seems pretty straight forward, but so far I have had no luck.  I even
> tried overwriting the active xorg.conf file with my backup copy, but
> that still didn't do the trick.  I can either: (a) get the laptop to
> see the external monitor at all, but it always forces the resolution
> of the external monitor to be much lower than its native resolution
> and also affects some of the font size/display characteristics on my
> laptop screen or (b) I can get my laptop display just as it was, but
> it won't see the external monitor.  Right now I have simplified my
> xorg.conf file so that laptop display is good but no external monitor
> is working.

Have you tried using xrandr to set up the external display?

--Ken

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