Thanks. One final question: Could you please try booting Ubuntu 17.04 (no need to install it) and see if the bug occurs in the live session there? If not then this would probably be a duplicate of bug 1585084.
http://releases.ubuntu.com/17.04/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1701816 Title: Annoying beeps on Lubuntu 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1701816/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
