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Bluetooth is reactivating each time without prompt (suspend or reboot), I have to switch it off manually each time too. I don't like it: that's a potential security breach and a loss of time. Why isn't there an option to switch it off by default as of boot/suspend in settings? Machine is legacy MBP 17" 2,1

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Why don't you try disabling the kernel module sudo modprobe -r btusb that should stop it.

You can enable again with sudo modprobe btusb

  • Ok, I have it does solve the issue successfully. Thanks. – Lurch Jan 11 '18 at 17:41
  • It did, but the bluetooth indicator disappeared from the system tray - only temporarily though: now it displays again, and is again on by default. – Lurch Jan 12 '18 at 13:03
  • Yes, that is correct. That is because this unloads the Bluetooth driver at a low level, I'm guessing you are happy to work around this, I don't use it in the same way as yourself, I use it when Bluetooth has failed after waking from a system sleep, as it's also a good way to revive the BT system. I always have a terminal open so I guess perhaps it's more convenient for myself, but I don't otherwise know how to make it stop turning back on all the time. – SamMorrowDrums Jan 23 '18 at 9:59
  • True, on each boot it reactivates. Still on dual boot and recently a lot of updates require rebooting so it always turns on. Isn't there a way to deactivate it for I don't use it. – Lurch Jan 23 '18 at 11:35
  • You can permanently remove the module. It's possible to get it again later. – SamMorrowDrums Jan 23 '18 at 11:36

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