I confirm this bug for xubuntu 16.04 LTS A workaround to get F5/F6 working is described here : http://sajan.io/blog/asus-x200m-perfect-linux-ubuntu-xubunu-utility-laptop The notification is about change is displayed but the back-light is not changing.
** Changed in: linux (Ubuntu) Status: Expired => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1329510 Title: [Asus X200M] Changing Backlight not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1329510/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs