How can I disable the BLUETOOTH function?

• To disable the BLUETOOTH function, you first disable the BLUETOOTH function on the BLUETOOTH device that is communicating with your VAIO computer.
  Then, open Control Panel [Details] and select System and Security. and select Device Manager under System. In the Device Manager window, double-click Bluetooth, right-click Qualcomm Atheros AR3012 Bluetooth(R) Adapter, and select Disable.
  To enable the BLUETOOTH function, right-click Qualcomm Atheros AR3012 Bluetooth(R) Adapter and select Enable.