This happens also on a ZBook 15. This is what showkeys outputs when I press F8, Fn-F8, Ctrl-C
$ sudo showkey -s kb mode was ?UNKNOWN? [ if you are trying this under X, it might not work since the X server is also reading /dev/console ] press any key (program terminates 10s after last keypress)... 0x9c ^[[19~0x42 0xc2 0x39 0xb9 0x1d ^Ccaught signal 2, cleaning up... $ sudo showkey -k kb mode was ?UNKNOWN? [ if you are trying this under X, it might not work since the X server is also reading /dev/console ] press any key (program terminates 10s after last keypress)... keycode 28 release ^[[19~keycode 66 press keycode 66 release keycode 465 press keycode 465 release keycode 29 press ^Ccaught signal 2, cleaning up... Fn-F8 doesn't do anything in showkey -s, it displays the 465 events in showkey -k I'm on 12.04 LTS with the latest HWE kernel (almost, I should reboot to start using the 3.13.0-32.57~precise1 that came with the updates days ago). $ uname -a Linux ****** 3.13.0-30-generic #55~precise1-Ubuntu SMP Fri Jul 4 21:52:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -a LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch Distributor ID: Ubuntu Description: Ubuntu 12.04.4 LTS Release: 12.04 Codename: precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1334968 Title: [HP ProBook 445 G1] Microphone mute key does not work To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1334968/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs