Problem switching between external and internal monitor

[David Rosenstrauch]

I find that I have to use the xfce4-display-settings app to switch 
between docked screen and internal panel on my laptop.

HTH,

DR

On 10/23/2012 09:21 AM, Boris Hollas wrote:
> Hello,
>
> I have a docking station with an external monitor. When I take my laptop
> out of the docking station and open the lid, the internal screen is not
> activated and it remains off when I press fn+f7.
>
> If I open the lid before taking the laptop out of the docking station
> and select the internal monitor with fn+f7, the internal monitor is
> activated but the internal mouse doesn't work.
>
> I have similar problems when switching from or to beamer output.
>
> I tried to fix these issues with the following script:
>
> #!/bin/sh
> LVDS=LVDS
> VGA=VGA-0
> DVI=DVI-0
>
> xrandr | grep -q "$DVI connected" && DVI_ON=1 || DVI_ON=0
> xrandr | grep -q "$VGA connected" && VGA_ON=1 || VGA_ON=0
>
> if [ $DVI_ON -eq 1 ]; then
>      xrandr --output $LVDS --off --output $DVI --mode 1920x1200
> elif [ $VGA_ON -eq 1 ]; then
>      xrandr --output $VGA --auto --output $LVDS --same-as $VGA
> else
>     xrandr --output $LVDS --mode 1680x1050
> fi
>
>
> but it doesn't work either. Screens remain blank when they shouldn't or
> the visible area is smaller than the apparent screen size, so I don't
> see the bottom panel. Sometimes, xrandr reports "cannot find crct".
>
> This is the output of xrandr -q, laptop in docking station:
>
> Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 8192 x 8192
> DVI-0 connected 1920x1200+0+0 (normal left inverted right x axis y axis)
> 546mm x 352mm
>     1920x1200      60.0*+
>     1600x1200      60.0
>     1680x1050      60.0
>     1600x1000      60.0
>     1280x1024      75.0
>     1280x960       60.0
>     1152x864       75.0
>     1024x768       75.1     60.0
>     832x624        74.6
>     800x600        75.0     60.3
>     640x480        75.0     60.0
>     720x400        70.1
> LVDS connected (normal left inverted right x axis y axis)
>     1680x1050      60.1 +   50.1
>     1400x1050      60.0
>     1280x1024      59.9
>     1440x900       59.9
>     1280x960       59.9
>     1280x854       59.9
>     1280x800       59.8
>     1280x720       59.9
>     1152x768       59.8
>     1024x768       59.9
>     800x600        59.9
>     848x480        59.7
>     720x480        59.7
>     640x480        59.4
> DisplayPort-0 disconnected (normal left inverted right x axis y axis)
> VGA-0 disconnected (normal left inverted right x axis y axis)
>
> Furthermore, my laptop has two GPUs so I can't use a static xorg.conf.
>
> With Gnome 2, I was able to cycle between outputs using fn+f7. I use
> Xfce 4.8 on Debian Wheezy. Ideas?
>
> -Boris
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