So my front headphone jack in not being recognized and I'm forced to use the one from the back which works fine.
Ubuntu 16.04
http://www.alsa-project.org/db/?f=122fcab05365bf73501cc46c960ef99b50ac3924
also here is a screenshot after running alsamixer
alsamixerpicture, it seems your headphone is muted (MMshown in the bottom). Try to unmute by pressingmon the keyboard; should then show00in green color like with the other channels. – ridgy May 10 '17 at 10:09pavucontrol(the pulseaudio mixer) and look what output device is selected for the program in use (Playbacktab), what output devices are available (Output Devicestab) and how they are configured (Configurationtab). Play around a bit to see what options you have. – ridgy May 10 '17 at 12:05