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Thread: Cannot switch to external monitor on Laptop

  1. #1
    Join Date
    May 2007
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    Ubuntu Development Release

    Cannot switch to external monitor on Laptop

    Argg... just preparing my laptop for a presentation this afternoon and find that I cannot switch to external monitor.... the function keys are not working
    PC

    To get a terminal command to put its output into a file use this format
    {terminal command} > {filename}

  2. #2
    Join Date
    Jul 2007
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    Keighley - UK
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    Ubuntu 7.10 Gutsy Gibbon

    Re: Cannot switch to external monitor on Laptop

    Ubuntu may be able to detect a monitor plugged in, when plugged in try go to System then screens (or something similar) and you may have the option to enable it.

    Sorry I can't be more specific I am not at my machine at the moment!

  3. #3
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    Re: Cannot switch to external monitor on Laptop

    Nope - discovered that none of my function keys work
    PC

    To get a terminal command to put its output into a file use this format
    {terminal command} > {filename}

  4. #4
    Join Date
    Mar 2005
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    Ubuntu Development Release

    Re: Cannot switch to external monitor on Laptop

    Look under System --> Preferences for Screen Resolution. You can switch it from there. If you don't have it, type gnome-display-properties at a terminal.

    If you have an Nvidia card, you may have to use the Nvidia XServer Settings tool, which you might find in System Administration.

  5. #5
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    Re: Cannot switch to external monitor on Laptop

    Nothing under screen resolution because there is no additional screen recognized.
    PC

    To get a terminal command to put its output into a file use this format
    {terminal command} > {filename}

  6. #6
    Join Date
    Mar 2005
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    Ubuntu Development Release

    Re: Cannot switch to external monitor on Laptop

    But the additional screen is plugged in and switched on? Have you hit "detect displays"? It should be plug'n'play.

  7. #7
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    Re: Cannot switch to external monitor on Laptop

    No, nothing. This is really to do with the function keys, they enable the output port at the back of the`laptop.
    PC

    To get a terminal command to put its output into a file use this format
    {terminal command} > {filename}

  8. #8
    Join Date
    Mar 2005
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    Re: Cannot switch to external monitor on Laptop

    Depending on your laptop model, the function keys may not work at all, or they may require additional set-up. In any case, they should not interfer with the X server detecting additional displays.

    Have you tried pluging in your external screen and logging out/in of gnome?

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