I had to fix this to use a bluetooth headset in Ubuntu 17.04, and now posting here so I do not forget the solution 😛
Leia mais “Ubuntu – Fix Bluetooth “A2DP Sink” Profile”Prevent external monitor to turn off when close laptop lid with Ubuntu/GNOME
Open /etc/UPower/UPower.conf, and change ignoreLid to true.
Just a quick tip to make easy for me remember it next time xD