Can you explain what you are trying to use for sound? Is it with headphones?
Also, can you please try booting 18.04 and tell us if that has working sound? http://releases.ubuntu.com/18.04/ ** Package changed: xorg (Ubuntu) => pulseaudio (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1814554 Title: son To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1814554/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp