I had a problem with sound after I connected a HDMI-cable. I followed the steps here: http://itsfoss.com/fix-sound-ubuntu-1304-quick-tip/

the sound worked perfect, but the sound-volume indicator disappeared


Try to re-configure it if already installed

  • Open terminal and execute these commands:

    sudo dpkg-reconfigure $(dpkg -l | grep indicator-sound | awk '{print $2}' | tr '\n' ' ')
    sudo update-initramfs -u
  • Logout/restart your system and check whether you get the sound indicator

If above doesn't help then try to re-install indicator-sound by executing this command:

sudo apt-get -f install --reinstall indicator-sound indicator-sound-gtk2

Again logout/restart your system.

Reply if you get any error at any particular command with the error message.

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