[Bug 1848862] [NEW] HP Elitebook 840 G1 - 19.10 - Microphone mute key does not work

[Simple Machine]

Public bug reported:

I just installed Ubuntu 19.10 on my HP Elitebook 840 G1. Switching from
Windows to Ubuntu for personal use.

The mic does not enable/disable with FN+F8 combo and the light is
constantly on.

I found the following solution to my problem. However, I do not know how to implement it in Ubuntu 19.10 (new to Ubuntu and generally not as techinical).
https://wiki.archlinux.org/index.php/HP_EliteBook_840_G1#Enable_the_microphone_muting_key

1. Would greatly appreciate if someone could point me to step by step instructions to install the code from the link above. I can report back if this resolve the issue.
2. Also, is there a way to incorporate a fix for this issue with HP laptops in Ubuntu going forward? When I was searching for a fix, I found this to be a widespread issue with various HP laptops and Ubuntu dating back a couple years.

Many thanks.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1848862

Title:
  HP Elitebook 840 G1 - 19.10 - Microphone mute key does not work

Status in systemd package in Ubuntu:
  New

Bug description:
  I just installed Ubuntu 19.10 on my HP Elitebook 840 G1. Switching
  from Windows to Ubuntu for personal use.

  The mic does not enable/disable with FN+F8 combo and the light is
  constantly on.

  I found the following solution to my problem. However, I do not know how to implement it in Ubuntu 19.10 (new to Ubuntu and generally not as techinical).
  https://wiki.archlinux.org/index.php/HP_EliteBook_840_G1#Enable_the_microphone_muting_key

  1. Would greatly appreciate if someone could point me to step by step instructions to install the code from the link above. I can report back if this resolve the issue.
  2. Also, is there a way to incorporate a fix for this issue with HP laptops in Ubuntu going forward? When I was searching for a fix, I found this to be a widespread issue with various HP laptops and Ubuntu dating back a couple years.

  Many thanks.

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