Sound is working perfectly under Unity. When I login to KDE, the sound buttons stop working. I have an HP Envy laptop, f6, f7, f8 are supposed to mute the sound and change the volume. When I click them I get the usual animation with the sound bar on the screen but nothing happens, the sound stays the same.


hey i also get same problem as you get. i dnt get pop up sound when volume is turn on

Solution (i did )

  1. you can right click sound logo in between scissor and battery

  2. select the master channel

  3. there are two choice for you

    • built-in-audio streo (HDMI)

    • built-in-audio stereo

just simply choose built-in-audio stereo (also make sure you have choice playback devices in "CURRENT MIXER")

i hope this help you! cheers mate

  • This worked for me on a Lenovo ThinkPad T540p. I faced the same problem after my last system update. – m00am Oct 26 '15 at 13:35
  • 1
    This worked for me on Lenovo ThinkPad T400 but I first had to install kmix via terminal with sudo apt-get install kmix after which I ran kmix and I got the volume indicator, the steps mentioned on this answer did the rest. Thank you very much! – Geppettvs D'Constanzo Jan 22 '16 at 3:15

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