Dell XPS 15z Setup Manual page 15

To enable or disable wireless:
1. Ensure that your computer is turned on.
2. Press the <Fn><F2> keys on the keyboard.
The current status of the wireless radios appears on the screen.
Wireless enabled
Wireless disabled
3. Press the <Fn><F2> keys again to switch between the wireless enabled or disabled states.
NOTE: Pressing the <Fn><F2> keys 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.
Setting Up Your XPS Laptop
13