Questions about sound issues with Ubuntu spanning from sound cards, microphones and speakers to audio signals not being correctly transfered or not at all via Bluetooth or HDMI.

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“Dummy Output” sound in Ubuntu 14.04

None of the other questions about this have solved my issue. I'm using a Dell Inspiron N5110. The sound on my Ubuntu 14.04 is driving me crazy. It works and doesn't work randomly as I turn my PC on. ...