Public bug reported: I had same issue on Kubuntu 14.04 actually, I thought new version will have it working.
I do can change keyboard backlight for example, but not screen brightness. I have to use sliders in Power settings. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: kwin 4:5.5.5-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13 Uname: Linux 4.4.0-31-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 Date: Mon Aug 1 15:48:58 2016 InstallationDate: Installed on 2015-06-25 (402 days ago) InstallationMedia: Kubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150219.1) PackageArchitecture: all ProcEnviron: LANGUAGE= TERM=screen-256color PATH=(custom, no user) LANG=lt_LT.UTF-8 SHELL=/bin/bash SourcePackage: kwin UpgradeStatus: Upgraded to xenial on 2016-07-30 (1 days ago) ** Affects: kwin (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1608514 Title: Screen brightness fn keys are not working for Asus N551JM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1608514/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs