Dell XPS 18 (1820, Early 2014) - Manual (Page 14)

14 │ Setting Up Your Computer
c. Sign in to your computer.
Your computer is ready for use when the Windows Start screen is
displayed.
NOTE: A lock screen may be displayed when your computer
wakes up from a sleep state.
NOTE: If the login screen is not enabled, the Start screen appears
after you swipe-up on the lock screen.
Enabling/Disabling Wi-Fi
1 Swipe from the right edge of the display to access Charms.
2 Touch Settings
→ Change PC settings→ Wireless.
3 Move the slider to the right to enable Wi-Fi. Move the Wi-Fi slider
to the left to disable Wi-Fi.
Connecting to a Network
1 Swipe from the right edge of the display to access Charms.
2 Touch
Settings → Available → Select an available
network → Connect.
NOTE: If you need to connect to another network later,
tap
in the Charms sidebar and select the network you want
to connect to.