*** This bug is a duplicate of bug 216144 ***
https://bugs.launchpad.net/bugs/216144
I can confirm that behaviour.
I also have a notebook and an external (via TMDS-1 aka DVI) connected LCD.
My Notebook stands LEFT of the LCD and has 1440x900.
The LCD has 1680x1050, so preferred for primary
as i said here
https://bugs.launchpad.net/ubuntu/+source/gnome-panel/+bug/353186
those xrandr flags don't influence the behaviour of gnome!
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gnome-display-properties should allow the primary screen to be chosen
https://bugs.launchpad.net/bugs/216144
You received this bug notification because
in kde, Evdev-managed Keyboard has to be selected as keyboard type if
the keyboard-layout-manager is activated, which overwrites the xorg/xkb-
settings. This works fine in my case (Cherry G230). I chose de-
nodeadkeys as layout.
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Up arrow key mapped to Print [screen]