Ubuntu
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  1. Bug #286001
  2. Comment #12

Comment 12 for bug 286001

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Kai Jauch (kaijauch) wrote : Re: Incorrect resolution when docked on Dell Latitude E6400

I just tried the Alpha 5 LiveCD.

- Booted docked with closed lid
- Internal and external display are enabled when X comes up (and although the lid is closed, the backlight of the internal display stays on, but I guess that's another bug)
- Both are automatically configured to run at 1152x864 (that's not right for either of the displays)

Changing the resolution via System -> Preferences -> Screen Resolution does not work correctly. I can set the right resolution for the external display and disable the internal one, but that's not how it should look.. (see screenshot)

Doing it via xrandr works:
xrandr --output LVDS --auto
xrandr --output HDMI-1 --off
xrandr --output HDMI-1 --auto
xrandr --output LVDS --off

Attaching Xorg.0.log and output of xrandr from after boot, after setting the resolution using the GUI and after setting it via xrandr.