Dell Inspiron 7RR4T Setup Manual page 15

Press the key on the function key row on the keyboard to enable or disable wireless.
The wireless on or off icons appear on the screen to indicate the status.
Wireless enabled
Wireless disabled
NOTE: The wireless key allows you to quickly turn off all wireless radios (Wi‑Fi and Bluetooth
on your computer, such as when you are asked to disable all wireless radios on an airplane
flight.
Setting Up Your Inspiron Laptop
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