Answered Brightness reset when plug/unplug battery

Discussion in 'Newbie Questions' started by beuikurt, Apr 9, 2018.

  1. beuikurt

    beuikurt Thread Starter
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    Hi everyone,t
    i've a strange problem, like in title, when i plug my laptop battery charger: brightness auto switch to max level, also if i set for example brightness to 50%, when i unplug battery charger, again it reset brightness to 100%.
    Can someone help me to resolve this problem?
    Thanks, i'm sorry for my bad english :oops:

     
  2. Best Answer:
    Post #4 by aid, Apr 10, 2018
  3. aid

    aid
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    Hey did you check power settings?

    There is an automatically adjust brightness option, maybe try turning this off and try it again?
     
  4. beuikurt

    beuikurt Thread Starter
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    Yes i do. Also i tried to modify /etc/default/grub following this guide but nothing.
     
  5. aid

    aid
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    Ok so you want brightness to stop being changed if you use your AC adapter?

    For a workaround solution there is a popular tool called Brightness Controller which will override your system brightness settings.

    If you set your display brightness with this tool instead of in your power settings it will override and it should stop the brightness resetting after you plug charger in.

    To install Brightness Controller is easy just run the below;

    Code (Text):

    sudo add-apt-repository ppa:apandada1/brightness-controller
    sudo apt-get update
    sudo apt-get install brightness-controller-simple
     
    Good luck
     

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