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Bluetooth automatically enables on Lenovo T440s

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I want to disable Bluetooth on my Lenovo T440s, which is running 12.04 LTS. I can do it manually, but on every startup it enables the Bluetooth again. Is there a way to ensure that a simple startup wont automatically enable Bluetooth?

Answers

in most systems adding rfkill block bluetooth before exit 0 in /etc/rc.local file works.

This also worked for my Thinkpad t430s, but not for my Lenovo x60. In case anyone else with an uncooperative Lenovo stumbles upon this thread, try disabling bluetooth on boot, rather than killing the process. Similar procedure:

add echo disable > /proc/acpi/ibm/bluetooth before exit 0 in /etc/rc.local.

If that doesn't do the trick, there are a few other methods here:

http://linuxg.net/how-to-disable-bluetooth-at-startup-5-practical-methods/

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