Re: dual monitor problem

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2008/5/22 James Corteciano <linux@xxxxxxxxxxxxxxxxx>:
> Hi Paul,
>
> My LCD Philips is only capable of 1280x768 @ 60Hz. I try to change the
> resolution of the laptop to 1024x768 and after restarting both two LCD were
> working. But I've noticed the screen resolution of the laptop was turn into
> big / larger width unlike before which is fit resolution (1024x768 default
> without hooking up the external Philips LCD monitor).
>
> Here's the output from xrandr command.
>
> Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1600 x 1600
> VGA connected 1024x768+0+0 (normal left inverted right x axis y axis) 370mm
> x 221mm
>    1024x768       75.1*+   75.0     70.1     60.0
>    1280x768       60.0 +
>    1600x1024      60.2
>    1440x900       59.9
>    1280x960       60.0
>    1360x768       59.8     60.0
>    1152x864       70.0     60.0
>    1280x720       60.0
>    832x624        74.6
>    800x600        72.2     75.0     60.3     56.2
>    640x480        75.0     72.8     72.8     75.0     66.7     60.0
> 59.9
>    720x400        70.1
> LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 300mm
> x 190mm
>    1024x768       60.0*+
>    1280x800       59.9 +
>    800x600        60.3
>    640x480        59.9
> TV disconnected (normal left inverted right x axis y axis)
>
>
> I try to use xrandr shown below but it's never work and I don't know how to
> use it just to fix the problem. I found your message logged through google.
>
> xrandr --output VGA-0 --mode 1024x768 --output LVDS-0 --mode1024x768
> --left-of VGA-0
>
> and nothing happens.
>
> -james
>
>
You should look more closely at your xrandr output. Your devices are
VGA and LVDS, there is no -0 on the end of the names.  I bet this
would work:


xrandr --output VGA --mode 1024x768 --output LVDS --mode1024x768
 --left-of VGA

I suppose you don't have the -0 and -1 like I do because you only have
one of each type.


-- 
Paul E. Johnson
Professor, Political Science
1541 Lilac Lane, Room 504
University of Kansas

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