Incomplete desktop on LVDS when also using external VGA

[Yves-Alexis Perez]

On dim., 2010-10-24 at 12:56 +0200, Hinko Kocevar wrote:
> My laptop has 1680x1050 LCD (LVDS1) resolution and my LCD TV (VGA1) has 
> 1920x1080.
> 
> I'm trying to have the same output on both displays, but it does not 
> work as expected. It appears that the Xfce desktop is not completely 
> seen on LVDS1, but is complete on VGA1. The bottom panel is seen only 
> partially, also the right part of the desktop is missing. I would 
> suspect that the amount of pixels missing is, difference between LVDS1 
> and VGA1 resolutions..

At first sight, if you want clone mode you need to set both outputs to
1680x1050 using:

xrandr --output LVDS1 --mode 1680x1050
xrandr --output VGA1  --mode 1680x1050
xrandr --output VGA1  --same-as LVDS1

And yes, VGA1 output will be blurry since it's not the native
resolution.

Cheers,
-- 
Yves-Alexis
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