Fixed bluetooth not working

Check blocked or unblocked

$ rfkill

Check if adapter is up

$ hciconfig

If down get it up again by this command

$ sudo hciconfig -a hciX up

if that doesn't work remove -a and other things to try if not working

$ sudo hciconfig hciX up
$ sudo hciconfig -a hci0 up
$ sudo hciconfig -a hci0 reset

also use --help for more info

Bluetooth in terminal

$ bluetoothctl

also use --help for more info