If you're having some microphone troubles on your Ubuntu Linux system, this video might help you troubleshoot and solve the broken mic problem. This is about fixing the microphone input specifically. This tweak should fix it.
step 1. Launch terminal and type " sudo gedit /etc/modprobe.d/alsa-base.conf "
step 2. Add "options snd-hda-intel position_fix=1"
Reboot and see if its working.
Tru3m0sl3m has all kinds of tutorials, from Windows and Ubuntu Linux operating systems to Islamic videos. If you're looking for some quick and handy computer tips or tricks, this is a good place to start.