bluetoothctl No default controller available

Question

It\'s a bit wired here.

I have a problem is bluetoothctl always said \"No default controller available\". I found there are many people had same problem with me. But th

Answer 1

Also happens if rfkill switch is blocking Bluetooth (for some inadvertent reason, in my case):

$ rfkill list all

0: tpacpi_bluetooth_sw: Bluetooth
    Soft blocked: yes
    Hard blocked: no

To unblock, pass the ID for your Bluetooth device from the list above to the unblock subcommand:

$ rfkill unblock 0

Then controller should be back:

$ bluetoothctl list
Controller .... [default]