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Thread: What system does Ubuntu use for dual monitors / forcing VGA signal...

  1. #1
    Join Date
    Jan 2013
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    3

    What system does Ubuntu use for dual monitors / forcing VGA signal...

    I am trying to mimic the VGA projector setup I had on Arch Linux. I have three laptops connected through a VGA switchbox to an external projector. When I was using ArchLinux I used xrandr to start using the projector and when, afterwards, switching to another laptop and back, the VGA signal was still transmitting on the first laptop so that I could switch directly back to this first signal. Now on Ubuntu the laptop seems to "redo" the connection to the projector whenever I switch back to it, and this way the projector shows its "off"screen for some seconds and needs to resync to the laptops VGA channel... very disturbing when doing live VJ sessions...
    Does anyone know how to make the VGA signal continuous after its first setup? Which package does the external monitor switching in Ubuntu (maybe I can turn it off?) Or other solutions for going back to direct VGA switching (as in ArchLinux)?

  2. #2
    Join Date
    Jan 2013
    Beans
    3

    Re: What system does Ubuntu use for dual monitors / forcing VGA signal...

    Didnt search properly... I found my answer here:

    http://ubuntuforums.org/showthread.p...ing+vga+signal


    Can someone tell me how to flag this thread as SOLVED?
    Last edited by paleajed; February 22nd, 2013 at 10:32 PM.

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