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Thread: cant get third monitor to detect ubuntu 21.04

  1. #1
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    Feb 2013
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    cant get third monitor to detect ubuntu 21.04

    Im using Ubuntu 21.04 and just love it its awesome got everything working properly but i added a third monitor
    and the green light comes on on the monitor but no display. In display settings it doesnt show tho. Im using dvi in my on board i have my first and second in the gpu. maybe something to use integrated graphics? Im not sure
    and help would be appreciated.
    im also running a msi motherboard dont know if that helps, just saying becuase i think theres in option in bios to turn on integrated graphics
    Last edited by devdlp; May 12th, 2021 at 04:17 PM.

  2. #2
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    Re: cant get third monitor to detect ubuntu 21.04

    so does this mean you cant get a third monitor to work in ubuntu 21.04??

  3. #3
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    Sep 2009
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    Xubuntu

    Re: cant get third monitor to detect ubuntu 21.04

    Generally speaking, once you install a graphics card, your internal graphics are disabled. On VERY rare occasions there may be an option in the BIOS to enable both.

  4. #4
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    Re: cant get third monitor to detect ubuntu 21.04

    yea i actually just moved to kubuntu 20.04 and all three work fine now, thnx

  5. #5
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    Re: cant get third monitor to detect ubuntu 21.04

    i have the third monitor on now but its twitching and stuff how do i get it right is there a command or something please help

  6. #6
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    Re: cant get third monitor to detect ubuntu 21.04

    If you still have it plugged into the onboard graphics, that is likley your problem and you are not going to fix it.

  7. #7
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    Re: cant get third monitor to detect ubuntu 21.04

    no its plugged into the gpu by dvi

  8. #8
    Join Date
    Jul 2008
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    The Left Coast of the USA
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    Distro
    Kubuntu

    Re: cant get third monitor to detect ubuntu 21.04

    So you have all three connected to your GPU? Does your GPU support that? Some may have several heads, but can't use them all at the same time.

    What is the make and model of the GPU?
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  9. #9
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    Re: cant get third monitor to detect ubuntu 21.04

    nvidia gefore gtx 1060 3gb and yes it works with all 3 out of the box on windows.
    Now it goes off and back on im not saure of what to do

  10. #10
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    Re: cant get third monitor to detect ubuntu 21.04

    i saw something about twinview would that be something to use?

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