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Accepted
akxer
Asked: 2018-05-15 01:59:47 +0800 CST

Where are the brightness controls?

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I installed Ubuntu 18.04 recently. I have been using Ubuntu for over 5 years I know that the brightness controls are inside the Power section in the settings but they are not there anymore. Searching for brightness still brings Power section in settings as the only result in gnome-shell but I can't seem to find it.

Can someone please tell me how I control my brightness in Ubuntu 18.04

Here is a screenshot of power tab in settings Power Settings no brightness control

brightness system-settings 18.04

3 Answers

  1. I took a moment searching the problem in the internet, one of the proposed solutions : 

    sudo add-apt-repository ppa:apandada1/brightness-controller
sudo apt update
sudo apt install brightness-controller

    Normally, after this, you will have the brightness controller. You can find it under Settings>Power menu or search it in Dash.

    • 7
  2. Best Answer

    This was fixed in a recent update. I am not sure which package was updated to fix this. So yeah I'm closing this question

    • 1

  3. I end up using xlight in my Laptop:

    sudo apt-get install xbacklight

    Set Brightness from 0 to 100:

    xbacklight -set 50

    Dectrease or Incrase brighness:

    xbacklight -dec 10
    xbacklight -inc 10

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