The sound icon from the top menu bar is missing. It does however appear on the login screen and the guest account. I can still adjust my volume using keyboard keys but I liked the sound icon because it let me control Rhythmbox.
I noticed there are a lot of questions about this issue but all of the answers say to run $gnome-sound-applet & which does not seem to work. Does anybody know how I can fix this?
Edit: running "gsettings reset com.canonical.indicator.sound visible" fixed the problem