Linux Mint Cinnamon Bluetooth keyboard connection issue fixed

readme.md

First, make sure the local Bluetooth controller (e.g. a Bluetooth dongle the built in Bluetooth radio) is recognized:

lsusb

lsusb

bluetoothctl

bluetoothctl

[bluetooth]# power on

power on 

[bluetooth]# agent on

agent on

[bluetooth]# pairable on

pairable on

[bluetooth]# scan on

scan on

[bluetooth]# pair 01:02:03:04:05:06

pair 01:02:03:04:05:06

[bluetooth]# trust 01:02:03:04:05:06

trust 01:02:03:04:05:06

[bluetooth]# connect 01:02:03:04:05:06

connect 01:02:03:04:05:06

[bluetooth]# quit

quit

details: https://wiki.archlinux.org/title/bluetooth_keyboard