SHELL

ubuntu bluetooth not working

#turn bluetooth on:
sudo /etc/init.d/bluetooth restart

# make it automatic on boot
sudo systemctl enable bluetooth

ubuntu bluetooth not working

# reinstall bluetooth
sudo apt --purge --reinstall install bluetooth bluez blueman pulseaudio pulseaudio-module-bluetooth

# at
sudo nano /etc/pulse/default.pa

# add load-module module-bluez5-discover

# then
sudo killall pulseaudio
pulseaudio --start
sudo systemctl restart bluetooth.service

ubuntu bluetooth not listed

bluetoothctl
scan on

ubuntu bluetooth microphone not working

# Follow this link
https://kumarvinay.com/how-to-enable-bluetooth-headset-microphone-support-in-ubuntu-20-04/

ubuntu bluetooth dongle not working

cd /lib/firmware/rtl_bt
sudo ln -s rtl8761b_config.bin rtl8761bu_config.bin
sudo ln -s rtl8761b_fw.bin rtl8761bu_fw.bin