How To Fix No Sound Problem in Ubuntu Server 14.04, Fixing Muted Sound problem on Is there No Sound on Ubuntu either Server 14,12 or Ubuntu Desktop?, If so, then i’m going to show you how to fix it.
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Mostly, the sound problem is due to the Audio Analog Stereo sound turned off, go to audio settings and make sure the audio output is on as shown in the picture below.
Install Pulse and Alsa Audio drivers by typing:
sudo apt-get install alsa-base pulseaudio
Then, reload alsa
If you want to re-install the pulseaudio and alsa do
sudo apt-get remove purge pulseaudio alsa-base
sudo apt-get install pulseaudio alsa-base
Install Ubuntu Audio Development Team Driver:
sudo add-apt-repository ppa:ubuntu-audio-dev
sudo apt-get update
sudo apt-get dist-upgrade
NOTE: Make sure that the sound is not muted in sound settings.Hope it works for you.
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