Most laptops come with Bluetooth and WiFi enabled, but currently the Bluetooth feature is not widely used, and users tend to use WiFi instead. On Ubuntu, Bluetooth and WiFi are enabled automatically once your system is booting up and to disable them you need to do this manually from the top panel.

If you don't use Bluetooth or WiFi on your laptop, then disabling them will increase your laptop's battery life. In this guide we will show you how to disable Bluetooth / WiFi automatically at system startup.

Getting Started

1. Open the terminal and edit the /etc/rc.local file with this command:

gksudo gedit /etc/rc.local

2. Add now this line just before the exit 0 line:

rfkill block bluetooth

3. Save your file and close.

From now on, Bluetooth will be turned off automatically at system boot up. If you want also to turn off WiFi automatically, you can repeat the same steps and add this line:

rfkill block wifi

That's it!

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