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Comment by luser001 | Hacker News Reader

One problem I have out of the box with xubuntu (i.e., xfce) is that if I suspend it in a docked configuration (with an external monitor connected and laptop display turned off) and wake it up in undocked config, it doesn't automatically switch to showing stuff on the laptop.

Dunno if it's an XFCE thing or a Ubuntu thing or an X thing or a Linux thing. I'm too lazy to debug this fully. I just yank the power and reboot. :)

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> I just yank the power and reboot. :)

I was using Ubuntu with docking station about 2 years back and it was having troubles getting in and out of the docking station. My solution was to manually xrandr it. This should be helpful if you don't want to reboot to get the display right http://www.thinkwiki.org/wiki/Xorg_RandR_1.2#Using_.24_xrand...

One thing that works for me is setting up scripts using arandr for each display config. Then before undocking I open a terminal fullscreen and run the script for the post-docking config. The script pauses when asking for my password. I then undock the laptop and open it and type my password. The laptop screen wakes up no problem. I do the same thing when I want to dock it. This is definitely more annoying than things happening automatically, but less annoying than rebooting.

I did that too, but I went the extra step of writing a little Ruby script to switch between them based on the number of outputs xrandr says is connected, and then I bound that to a keyboard shortcut, so I don't have to mess around in the terminal. I just hit ctrl-alt-M.

https://gist.github.com/4171654

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