1

When I press the up-volume, down-volume and mute buttons on my keyboard, nothing happens. The shortcuts option under keyboard in preferences recognizes the buttons, and org.gnome.plugins.media-keys has the right parameters, that is, XF86AudioRaiseVolume, etc. and they have been restored to defaults. I'm using

unity/xenial,now 7.4.0+16.04.20160415-0ubuntu1 amd64

on a Dell Inspiron N4110 laptop and I'm using Cairo-Dock. I have tried the solutions in Volume buttons not working in 14.04 to no avail.

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I've sort of solved a similar issue using this https://ubuntuforums.org/showthread.php?t=2351990:

amixer set Master 1+
amixer set Master 1-
amixer -D pulse set Master toggle

It remains to bind the commands with the keys. In my case, with OpenBox, I used the following in .config/openbox/rc.xml:

<keyboard>
  ...
  <keybind key="XF86AudioRaiseVolume">
    <action name="Execute">
      <command>amixer set Master 1+</command>
    </action>
  </keybind>
  <keybind key="XF86AudioLowerVolume">
    <action name="Execute">
      <command>amixer set Master 1-</command>
    </action>
  </keybind>
  <keybind key="XF86AudioMute">
    <action name="Execute">
      <command>amixer -D pulse set Master toggle</command>
    </action>
  </keybind>
</keyboard>
  • 1
    @guntbert Done I think. – Sylvain Apr 13 '17 at 21:25

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