Check The Wireless Button; Connect The Network Cable (Optional) - Dell PP17S Setup Manual

Setting Up Your Studio XPS Laptop

Check the Wireless Button

If you plan to use wireless connections, make
sure the wireless button is turned on.
Using The Wireless Button
To turn on wireless, with the system turned on,
lightly touch the wireless symbol
center control cover and then release.
6
Connect the Network Cable
(optional)
If you plan to use a wired network connection,
plug in the network cable.
on the Press the Power Button