No sound after a Software Updater routine update

I have a Dell laptop pre-installed with Ubuntu 14.04 LTS, after a recent auto update from Software Updater I now have no sound.

I did the Audio test on all the devices listed in the Settings-Sound panel and no sound on any.

00:1f.3 Audio device [0403]: Intel Corporation Device [8086:9d70] (rev 21)   Subsystem: Dell Device [1028:0704]   Kernel driver in use: snd_hda_intel 

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Category: 14.04 Time: 2016-07-30 Views: 4
Tags: sound 14.04

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