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Every time I log in, bluetooth is ON and I cannot change this behavior from the bluetooth applet. Is this a bad design or is there a reason why it is like this?

How can I change it?

Robert Vila
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2 Answers2

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If you're sure you don't want Bluetooth, you can untick it from the list of applications that run at start-up. How exactly you do it will depend on your desktop environment but in Lubuntu 12.10, here is where you untick it:

Bluetooth

  • It is not that I don't want bluetooth. I would like bluetooth to start in the state, off/on, it had at last shutdown. If that is not possible, I would like it to start in OFF mode but I want to be able to turn it on the moment I need it, like in any normal, not labyrinthine, Operating System. – Robert Vila Feb 07 '13 at 14:12
  • I only see a program called gnome-session-properties, which is a misleading name because it is only a list of programs to execute at the beginning of a session (GUI session, I suppose, nothing is said) – Robert Vila Feb 07 '13 at 14:35
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My problem was to have BT off at startup, it was always powered on when booting. I started from a fresh install of Mint.

As pointed out by posters, there is a file for BT configuration, I edited it:

  • sudo gedit /etc/bluetooth/main.conf

Two entries to check:

  • RememberPowered = true (the default value was false on my install.)
  • InitiallyPowered = false (the default value was true on my install.)

These values allow me to start with BT in the state it had when Ubuntu was terminated. It seems RememberPowered takes precedence on InitiallyPowered. Someone more knowledgeable may confirm, or not.

For info, this page is referenced many times when talking about having BT on or off at startup:

How can I deactivate Bluetooth on system startup?

There is no shortage of ideas it seems...

  • edit /etc/rc.local and add rfkill block bluetooth
  • edit /etc/rc.local and add echo disable > /proc/acpi/ibm/bluetooth
  • edit /etc/modprobe.d/blacklist.conf and add blacklist btusb
  • install BUM: sudo apt-get install bum and run it: sudo bum
  • change autostart applis: cd /etc/xdg/autostart/ then sudo sed --in-place 's/NoDisplay=true/NoDisplay=false/g' *.desktop
  • edit /etc/rc.local and add /etc/init.d/bluetooth stop
  • disable the service from being started: sudo sh -c then echo 'manual' > /etc/init/bluetooth.override
  • use smbios-utils: sudo smbios-wireless-ctl --bt 0
  • another one: sudo update-rc.d bluetooth remove
  • edit /etc/default/bluetooth and set BLUETOOTH_ENABLED=0

Not sure all this is under control!

Off-site page with some explanations: - http://catlingmindswipe.blogspot.fr/2012/05/how-to-disable-bluetooth-on-startup.html

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