Tessa, I think these two things might be related...
1. Pop!OS doesn't like pulseaudio: UnreportableReason: This is not an official Pop!_OS package. Please remove any third party package and try again. 2. You have two sound servers and should only have one: Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes Jack: Installed - Yes (/usr/bin/jackd) Running - No It sounds like System76's Pop!OS ships with jackd and they don't want you using pulseaudio. Certainly having both installed I would expect one of them might fail to access the sound hardware. This also means I am not sure the correct way to fix this other than it sounds like pulseaudio shouldn't be installed at all in Pop!OS. Suggested quick fix: Uninstall either your jackd packages, OR your pulseaudio packages. Fully clean fix: Reinstall Ubuntu from scratch, downloading it from here: http://releases.ubuntu.com/18.10/ ** Changed in: pulseaudio (Ubuntu) Status: Incomplete => Opinion -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1799007 Title: [System76 Oryx Pro] no sound after 18.10 upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1799007/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs