Then after the fresh boot, I connected the headphones, verified no sound, then re-ran alsa-info which gave the following attached log.
** Attachment added: "alsa-info log with headphones plugged in" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1888992/+attachment/5396230/+files/alsa-info_headphones_not_working.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888992 Title: [Realtek ALC892, Green Headphone Out, Front] Not detecting/switching to front jack after plugging in headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1888992/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
