There are a number of reasons that your audio might not be working. While we will not be able to cover all of them in this article, we do aim to help with some of the more tricky issues here. So if you haven’t already checked to make sure you don’t have your audio output muted, you might be getting a bit ahead of yourself.
Sometimes, this may be a bit over the top. But this may fix your issue. The easiest way to restart PulseAudio is to just reboot, or log out then log back in. But, if neither of these is an option for you, these instructions may help:
1. Run in a terminal:
2. If nothing gets printed out, run:
Otherwise, skip to Step 3
If some sort of error is printed out, try repeating steps 2 and 3.