Computer: Acer Aspire 6920

Card: HDA Intel

Chip: Realtek ALC889

My problem is that the laptop build-in speakers don't play any sound. When i plug in my headphones the sound works normally, the same goes with external speakers. Those work normally like the headphones.

The profile in the Sound settings is Analog two-way Stereo.

I am using Ubuntu 12.04.

Might trere be any problem with my sound drivers or something similar?

Any form of help appreciated.


In the Terminal (Ctrl+Alt+T), run:


And increase the Master volume.

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  • 2
    Sadly doesn't work – snewix May 17 '12 at 14:07

Go to the sound settings and there is a setting for heaphones/speakers that you change everytime you use headphones or speakers. That's what I did on 12.04.

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I had similar problems with the sound.

After installing and running the xfce4-mixer tool:

sudo apt-get install xfce4-mixer gstreamer0.10-alsa

The sound was present.

There is also this posting: How to install gstreamer 1.0 in ubuntu 12.04

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