I hit the same problem as above (Vladmir Hidalgo) I was missing several icons on my gnome-panel, after some looking around I discovered that I was missing the "notification-area-applet" after restore of this applet on my gnome-panel I got back my missing applets.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. https://bugs.launchpad.net/bugs/23644 Title: Gnome volume control applet doesn't work anymore -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs