Public bug reported:

1) The release of Ubuntu you are using, via 'lsb_release -rd' or System
-> About Ubuntu

Release: 16.04

2) The version of the package you are using, via 'apt-cache policy
pkgname' or by checking in Software Center

unity-control-center:
  Installed: 15.04.0+16.04.20160413-0ubuntu1
  Candidate: 15.04.0+16.04.20160413-0ubuntu1
  Version table:
 *** 15.04.0+16.04.20160413-0ubuntu1 500
        500 http://jp.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

3) What you expected to happen

When moving the brightness slider the monitor brightness should change.

4) What happened instead

Nothing.

5) Other comments

This could be implemented using DDC/CI.

6) Workaround

https://askubuntu.com/questions/220886/control-external-monitor-
brightness-via-software

** Affects: unity-control-center (Ubuntu)
     Importance: Undecided
         Status: New

** Package changed: ubuntu-system-settings (Ubuntu) => unity-control-
center (Ubuntu)

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to unity-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1585657

Title:
  brightness and lock doesn't control brightness on external monitor

Status in unity-control-center package in Ubuntu:
  New

Bug description:
  1) The release of Ubuntu you are using, via 'lsb_release -rd' or
  System -> About Ubuntu

  Release: 16.04

  2) The version of the package you are using, via 'apt-cache policy
  pkgname' or by checking in Software Center

  unity-control-center:
    Installed: 15.04.0+16.04.20160413-0ubuntu1
    Candidate: 15.04.0+16.04.20160413-0ubuntu1
    Version table:
   *** 15.04.0+16.04.20160413-0ubuntu1 500
          500 http://jp.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status

  3) What you expected to happen

  When moving the brightness slider the monitor brightness should
  change.

  4) What happened instead

  Nothing.

  5) Other comments

  This could be implemented using DDC/CI.

  6) Workaround

  https://askubuntu.com/questions/220886/control-external-monitor-
  brightness-via-software

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/unity-control-center/+bug/1585657/+subscriptions

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