To solve your problem just do as following: sudo gedit /lib/udev/hwdb.d/60-keyboard.hwdb
Add below the line Series 7 / 9 this one: keyboard:dmi:bvn*:bvr*:bd*:svn[sS][aA][mM][sS][uU][nN][gG]*:pn*670Z*:pvr* Save and close, now on the terminal: sudo dpkg-reconfigure udev Reboot. The patch for this was merged in systemd some days ago (see https://github.com/systemd/systemd/pull/136). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1332520 Title: backlight bug To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1332520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs