Almost as mysteriously as sound stopped working, it has now started working again. The default pulseaudio output has always been set to HDMI, but my motherboard does look like two separate audio devices to linux, so there were two "profiles". Apparently some randomly selected collection of apps started being directed to the 2nd profile, because when I plugged in some earphones, sound came out of them when running the apparently silent apps. I've set the 2nd profile to "off" rather than "headphones" and finally everyone seems to be using the same HDMI default output they should have been using all along. The weird thing is that as part of my experiments, I created a brand new user and logged in with different kinds of sessions (GNOME 3, KDE, FVWM) and the collection of seemingly silent apps was different in each session. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org