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Thread: VirtualBox broke my screen settings!

  1. #1
    Join Date
    Aug 2010

    VirtualBox broke my screen settings!


    I'm running Ubuntu 11.04 with three monitors. I had trouble installing the virtualbox-ose package through the repositories (I think it was a kernel header issue), so I downloaded the Debian package from the website and installed it.

    When I restarted my computer, my monitor settings were messed up. The image is just mirrored across all three monitors (instead of spanning them) and the screen resolution is 1024*786 instead of 1280*1024. I can change it back from mirroring using the Monitor Preferences tool. I can also change two of the monitors back to 1280*1024, but not the third. I wanted to have a look at the xorg.conf file, but I see that 11.04 no longer uses those.

    Any idea what might have happened or how to fix this?


  2. #2
    Join Date
    Aug 2010

    Re: VirtualBox broke my screen settings!

    I don't know exactly why this happened but here is how I fixed the screen resolution for the third monitor:

    That will list all your monitors. I found the one that doesn;t have the resolution I wanted. For me it was called DVI-0.

    Then I typed:

    xrandr --addmode DVI-0 1280x1024
    Then the 1280x1024 resolution was available in monitor preferences GUI tool.

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