Ubuntu system shortcut remains after disabling

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I want to disable some Ubuntu (Ubuntu 16.04.4 LTS) system shortcuts



I tried System Settings > Keyboard > Shortcuts and then select the undesired shortcut to disabled it.



After reboot, the shortcut still works



I tried dconf Editor : org > gnome > desktop > vm > keybindings then select the undesired shortcut and set the value to ['disabled']



Doesn't work either : I can still use the shortcuts



The concerned shortcuts are Ctrl + Alt + S (toggle shading) and Ctrl + Alt + L (lock screen).



Am I missing something here or can I use another way to disable these shortcuts ?







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  • Please edit your question and say which version of Ubuntu you are using.
    – Graham
    May 18 at 17:20














up vote
0
down vote

favorite
2












I want to disable some Ubuntu (Ubuntu 16.04.4 LTS) system shortcuts



I tried System Settings > Keyboard > Shortcuts and then select the undesired shortcut to disabled it.



After reboot, the shortcut still works



I tried dconf Editor : org > gnome > desktop > vm > keybindings then select the undesired shortcut and set the value to ['disabled']



Doesn't work either : I can still use the shortcuts



The concerned shortcuts are Ctrl + Alt + S (toggle shading) and Ctrl + Alt + L (lock screen).



Am I missing something here or can I use another way to disable these shortcuts ?







share|improve this question






















  • Please edit your question and say which version of Ubuntu you are using.
    – Graham
    May 18 at 17:20












up vote
0
down vote

favorite
2









up vote
0
down vote

favorite
2






2





I want to disable some Ubuntu (Ubuntu 16.04.4 LTS) system shortcuts



I tried System Settings > Keyboard > Shortcuts and then select the undesired shortcut to disabled it.



After reboot, the shortcut still works



I tried dconf Editor : org > gnome > desktop > vm > keybindings then select the undesired shortcut and set the value to ['disabled']



Doesn't work either : I can still use the shortcuts



The concerned shortcuts are Ctrl + Alt + S (toggle shading) and Ctrl + Alt + L (lock screen).



Am I missing something here or can I use another way to disable these shortcuts ?







share|improve this question














I want to disable some Ubuntu (Ubuntu 16.04.4 LTS) system shortcuts



I tried System Settings > Keyboard > Shortcuts and then select the undesired shortcut to disabled it.



After reboot, the shortcut still works



I tried dconf Editor : org > gnome > desktop > vm > keybindings then select the undesired shortcut and set the value to ['disabled']



Doesn't work either : I can still use the shortcuts



The concerned shortcuts are Ctrl + Alt + S (toggle shading) and Ctrl + Alt + L (lock screen).



Am I missing something here or can I use another way to disable these shortcuts ?









share|improve this question













share|improve this question




share|improve this question








edited May 24 at 13:40

























asked May 18 at 12:54









user831433

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  • Please edit your question and say which version of Ubuntu you are using.
    – Graham
    May 18 at 17:20
















  • Please edit your question and say which version of Ubuntu you are using.
    – Graham
    May 18 at 17:20















Please edit your question and say which version of Ubuntu you are using.
– Graham
May 18 at 17:20




Please edit your question and say which version of Ubuntu you are using.
– Graham
May 18 at 17:20










1 Answer
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What finally worked is based on this response : Disable all keyboard shortcuts except for Alt+Tab in program



  • Install Compiz

  • Go to Advanced Search > Search in ... (check "Setting Value")

  • Type <Control><Alt> in the filter field

  • Remove all occurrences of undesired shortcut by editing the fields (make it empty)





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    1 Answer
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    1 Answer
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    active

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    active

    oldest

    votes








    up vote
    0
    down vote













    What finally worked is based on this response : Disable all keyboard shortcuts except for Alt+Tab in program



    • Install Compiz

    • Go to Advanced Search > Search in ... (check "Setting Value")

    • Type <Control><Alt> in the filter field

    • Remove all occurrences of undesired shortcut by editing the fields (make it empty)





    share|improve this answer
























      up vote
      0
      down vote













      What finally worked is based on this response : Disable all keyboard shortcuts except for Alt+Tab in program



      • Install Compiz

      • Go to Advanced Search > Search in ... (check "Setting Value")

      • Type <Control><Alt> in the filter field

      • Remove all occurrences of undesired shortcut by editing the fields (make it empty)





      share|improve this answer






















        up vote
        0
        down vote










        up vote
        0
        down vote









        What finally worked is based on this response : Disable all keyboard shortcuts except for Alt+Tab in program



        • Install Compiz

        • Go to Advanced Search > Search in ... (check "Setting Value")

        • Type <Control><Alt> in the filter field

        • Remove all occurrences of undesired shortcut by editing the fields (make it empty)





        share|improve this answer












        What finally worked is based on this response : Disable all keyboard shortcuts except for Alt+Tab in program



        • Install Compiz

        • Go to Advanced Search > Search in ... (check "Setting Value")

        • Type <Control><Alt> in the filter field

        • Remove all occurrences of undesired shortcut by editing the fields (make it empty)






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered May 27 at 12:11









        user831433

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