Yes, I lost sound from the built-in speakers on Ubuntu 16.04. “Did you run into sound issues on your Linux systems in the past?” Now You: Did you run into sound issues on your Linux systems in the past? This fix should be applicable on pretty (almost) well any system encountering this issue, providing it uses ALSA and PulseAudio. It’s a slight annoyance that this happened, and that my device is listed as unplugged despite that I am listening to music while I write this through that very set of headphones.But it works. Tip: check out how to enhance sound in Linux with PulseEffects. However, for fun, I selected the Line-out device and was surprised to hear that my speakers went silent and my headphones remained active, solving the issue.
My speakers were listed as Headphones (Plugged in) but my headphones plugged into the rear audio-jack still were listed as Line-out (unplugged). To fix this I returned to pavucontrol inside the Output Devices tab and inspected what devices were listed. However, I could hear audio through both speakers and headphones at the same time now. Doing so enabled me to have audio route to my headphones.
