ubuntu 14.04 sound issue suddenly stopped working

when I started my computer this morning my sound was not working i searched google and found the this topic (second answer)

sudo apt-get remove --purge alsa-base pulseaudiosudo apt-get install alsa-base pulseaudioAnd force reload Alsa again:sudo alsa force-reload

I did that didn't work in fact I lost that setting panel from that left app tray.

I went on and found this and I tried the following command too

Step one: Reinstall alsa-utilssudo apt-get install alsa-utils --reinstallStep two: Download and install alsa-libHere is a link to version 1.0.25-4(the stable version)Extract the archive and run the following code in the extracted directory./configure && makeThensudo make install

that too but nothing is happening please help I need my computer in working order, please help

Regards

Muhammad