Sound not working in Ubuntu 14.04
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Reinstall alsa-utils
sudo apt-get install alsa-utils --reinstall -
Download and install alsa-lib
On this page you will find all versions https://launchpad.net/ubuntu/+source/alsa-lib
Or find Here a link to version 1.0.25-4(the stable version)
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Extract the archive and run the following code in the extracted directory
./configure && make -
Then
sudo make install
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