Dell INSPIRON P17F Setup Manual page 17

To enable or disable wireless:
1. Ensure that your computer is turned on.
2. Press <Fn> along with the <
The current status of the wireless radios appears on the screen.
Wireless enabled
Wireless disabled
3. Press <Fn> along with the <
disabled states.
NOTE: The wireless key allows you to quickly turn off wireless radios (Wi-Fi and Bluetooth),
such as when you are asked to disable all wireless radios on an airplane flight.
> key on the function key row on the keyboard.
> key again to switch between the wireless enabled or
Setting Up Your Inspiron Laptop
15