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How do I undo display resolution changes?

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    How do I undo display resolution changes?

    Hi I just uploaded to the latest version of Kubuntu.

    Unfortunately the screen resolution was wrong and my desktop icons appeared huge. So I went in to system settings > Hardeware>Display and Monitor> and changed the dispaly settings/ I obviously changed them to the wrong option because the display is now just a hash of crazy lines and colors.

    How do I now undo this change?

    Many thanks for any help with this.

    #2
    The Kscreen is saving the settings to the ~/.kde/share/apps/kscreen/...



    If you remove the Kscreen setting file then the display settings should be reset to the default.

    Are you familiar with the virtual console ?
    or
    Do you have the LiveCD ?
    Before you edit, BACKUP !

    Why there are dead links ?
    1. Thread: Please explain how to access old kubuntu forum posts
    2. Thread: Lost Information

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      #3
      Sorry I am not familiar with the virtual console or Live CD. If it helps I can log on as another user and view the screen OK.

      If I log on as another user I can not find Home>.Kde>share>apps>kscreen

      But I can find

      Root>.kde but I can not enter .kde
      Last edited by absolute beginner; May 04, 2013, 03:17 PM.

      Comment


        #4
        From the log in screen just press Ctrl+Alt+F1 to go to a command console and log in from there. After you are logged in, type:
        Code:
        rm .kde/share/apps/kscreen/*
        Then type:
        Code:
        sudo shutdown -r now
        Provide your password and press enter and your system will reboot. Log in as normal and you should have your 'default' resolution back.
        Using Kubuntu Linux since March 23, 2007
        "It is a capital mistake to theorize before one has data." - Sherlock Holmes

        Comment


          #5
          Many thanks Rog131 and Snowhog that has resolved the issue. Is their a way to preview changes in screen resolution so that I don't encounter this problem again. In windows you get a preview for 15 seconds of new screen resolution settings for 15 seconds and if you don't opt to keep the new settings it automatically reverts back to the old settings.

          Comment


            #6
            OK-button for the Kscreen

            Is their a way to preview changes in screen resolution so that I don't encounter this problem again. In windows you get a preview for 15 seconds of new screen resolution settings for 15 seconds and if you don't opt to keep the new settings it automatically reverts back to the old settings...

            The Kscreen is a new application - http://www.afiestas.org/ .

            There are few paper cuts/usability problems. The missing 'Is this OK' button is one of them.

            The old screen setting module do have the 'Is this OK' query:



            The old configuration module can be installed side by side with the Kscreen.

            The package name is: kde-workspace-randr.

            Log of sudo apt-get install kde-workspace-randr
            Sun May 5 13:11:20 2013

            Reading package lists...
            Building dependency tree...
            Reading state information...

            The following NEW packages will be installed:
            kde-workspace-randr
            0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
            Need to get 157 kB of archives.
            After this operation, 846 kB of additional disk space will be used.
            Get:1 http://fi.archive.ubuntu.com/ubuntu/ raring/universe kde-workspace-randr amd64 4:4.10.2-0ubuntu2 [157 kB]
            Fetched 157 kB in 1s (129 kB/s)
            Selecting previously unselected package kde-workspace-randr.


            But the old setting module do have own problems: https://bugs.kde.org/show_bug.cgi?id=183143


            Ubuntu community wiki of the screen resolutions: https://wiki.ubuntu.com/X/Config/Resolution
            Last edited by Rog131; May 05, 2013, 04:36 AM.
            Before you edit, BACKUP !

            Why there are dead links ?
            1. Thread: Please explain how to access old kubuntu forum posts
            2. Thread: Lost Information

            Comment


              #7
              Rog131, many thanks

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