Do you have any alsa/pulseaudio config?
This can be quickly verified by running "vanilla" Ubuntu.
16.04: http://cdimage.ubuntu.com/xenial/daily-live/current/ 17.04: http://cdimage.ubuntu.com/daily-live/current/
If both of them work, then it's probably related to your config setting.
Do you have any alsa/pulseaudio config?
This can be quickly verified by running "vanilla" Ubuntu.
16.04: http:// cdimage. ubuntu. com/xenial/ daily-live/ current/ cdimage. ubuntu. com/daily- live/current/
17.04: http://
If both of them work, then it's probably related to your config setting.