Fix “No default controller available” on Kali (BlueZ): btusb, rfkill, systemd, and USB dongle checks
Stop Guessing: Fix “No Default Controller Available” on Kali The fastest way to waste an hour on Kali Bluetooth is to keep restarting services that have nothing to manage. When bluetoothctl reports “No default controller available,” it isn’t a BlueZ tantrum—it’s your system quietly telling you the controller never showed up. Whether blocked by rfkill, … Read more