That version is now dead
http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml
** Changed in: pulseaudio (Ubuntu)
Status: New => Invalid
--
You received this bug notification because you are a member of Ubuntu
Bugs, which
** Tags added: nosound
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1692710
Title:
[System Product Name, Realtek ALC1200, Green Line Out, Rear]
Pulseaudio, Jack and ALSA seem to work, but