I have an HP EliteBook 820 G2 with the same mic mute key & indicator on Fn+F8.
showkey -s does nothing showkey -k gives me: keycode 465 press keycode 465 release -- 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