I have been fighting an annoying problem with my sound set up for a while now, and it's suddenly taken a turn for the worst. I don't know if this situation is related or not, but I think it might be a new problem, so I'm starting a new question.
As described in my other question, every time I start a YouTube (or any online video), I have to restart my Pulseaudio server. However, this last time I did it, my Pulseaudio server never came back.
When I look at my sound settings, this is all I get:
This is what my sound settings were before:
How do I get my sound device back again?