NOTE: If you want to save config, run this command after set alsamixer:
sudo alsactl store
*Open the terminal and type "alsamixer"
*Use the right arrow key and reach to the HP/Speak
*With key "M" unmute both of them
*Press ESC and have a good day.
It can work almost on all Linux distros. You can use that method on other devices. Video recorded on 18.10 Ubuntu.