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Thread: Cannot get High Screen resolution

  1. #1
    Join Date
    Jul 2011
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    48

    Cannot get High Screen resolution

    Hey , I know this is probably a stupid question , but I started using Ubuntu 11.04 . My screen resolution on windows was 1600x900
    But on ubuntu (even after installing proprietary drivers) the highest I can get is 1024x768 .
    I tried using xandr but couldn't work it out . My xandr info

    "

    Screen 0: minimum 320 x 240, current 1024 x 768, maximum 1024 x 768
    default connected 1024x768+0+0 0mm x 0mm
    1024x768 50.0*
    800x600 51.0 52.0 53.0
    680x384 54.0 55.0
    640x480 56.0
    576x432 57.0
    512x384 58.0
    400x300 59.0 60.0 61.0
    320x240 62.0

    "

    When i tried adding a new mode using the command
    " xrandr --addmode VGA 1600×900 "

    I got the following error

    "
    xrandr: Failed to get size of gamma for output default
    xrandr: cannot find output "VGA"

    "

    Now I'm not sure what VGA refers to , but Im using a vga port to connect my monitor
    Also I'm using only one monitor.

    It would be really great if someone could help me out.

    Thanks.

  2. #2
    Join Date
    Jan 2007
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    Kubuntu 11.04 Natty Narwhal

    Re: Cannot get High Screen resolution

    Screen 0: minimum 320 x 240, current 1024 x 768, maximum 1024 x 768
    default connected 1024x768+0+0



    You had to type "default" instead of VGA or something.
    But this won't work,because of maximum 1024 x 768.
    Which driver do you use?
    Best app ever: Easystroke

  3. #3
    Join Date
    Jan 2006
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    Sunny Southend-on-Sea
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    7,621
    Distro
    Kubuntu 18.04 Bionic Beaver

    Re: Cannot get High Screen resolution

    Quote Originally Posted by arun.manuel14 View Post
    Also I'm using only one monitor.
    It might help if you said what that monitor was...
    None but ourselves can free our minds

  4. #4
    Join Date
    Jul 2011
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    48

    Re: Cannot get High Screen resolution

    Samsung 20" wide screen model number 2033

    I dont have an additional gpu , I use the one on the motherboard which Nvidia Geforce 7025/nforce 630a

  5. #5
    Join Date
    Jan 2007
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    Kubuntu 11.04 Natty Narwhal

    Re: Cannot get High Screen resolution

    Search for the correct HorizSync and VertRefresh
    values for your monitor model (internet/manual) and edit the file xorg.conf with those values (in the "Monitor" section).
    To edit run:

    Code:
    gksudo gedit /etc/X11/xorg.conf
    Best app ever: Easystroke

  6. #6
    Join Date
    Jan 2007
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    Kubuntu 11.04 Natty Narwhal

    Re: Cannot get High Screen resolution

    Try:

    Horizontal 30-81
    Vertical 56-75
    Best app ever: Easystroke

  7. #7
    Join Date
    Jul 2011
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    48

    Re: Cannot get High Screen resolution

    Quote Originally Posted by realzippy View Post
    Try:

    Horizontal 30-81
    Vertical 56-75
    I edited xorg with those values under monitor. Now what am i supposed to do?!

  8. #8
    Join Date
    Jan 2007
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    Kubuntu 11.04 Natty Narwhal

    Re: Cannot get High Screen resolution

    HorizSync 30.0 - 81.0
    VertRefresh 56.0 - 75.0


    then reboot or restart X server.
    New resolutions will be available then.
    Best app ever: Easystroke

  9. #9
    Join Date
    Jul 2011
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    48

    Re: Cannot get High Screen resolution

    Quote Originally Posted by realzippy View Post
    HorizSync 30.0 - 81.0
    VertRefresh 56.0 - 75.0


    then reboot or restart X server.
    New resolutions will be available then.
    Hey! It worked! I got higher resolutions , but there was no option for 1600x900 , how do i add that?

  10. #10
    Join Date
    Jan 2007
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    Kubuntu 11.04 Natty Narwhal

    Re: Cannot get High Screen resolution

    Do you use nvidia-settings for your resolution?
    Best app ever: Easystroke

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