The same thing is happening to me. I have a Lenovo G40-80 laptop, I did a clean install yesterday, and the switch thing in the configurations doesn't really turn the bluetooth on, since I can't use it.
uname -a
Linux gustavo-Lenovo-G40-80 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
lsusb | grep -i blue
Bus 001 Device 005: ID 0cf3:3004 Atheros Communications, Inc. AR3012 Bluetooth 4.0
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic
The same thing is happening to me. I have a Lenovo G40-80 laptop, I did a clean install yesterday, and the switch thing in the configurations doesn't really turn the bluetooth on, since I can't use it.
uname -a Lenovo- G40-80 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Linux gustavo-
lsusb | grep -i blue
Bus 001 Device 005: ID 0cf3:3004 Atheros Communications, Inc. AR3012 Bluetooth 4.0
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic