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External component identification
Maintenance and Service Guide 2–3
Buttons, switch, and speaker
Item Component Description
(1) Internal display switch Turns off the display if the panel lid is closed while the power is on.
(2) Wireless button Turns the wireless feature on or off but does not establish a
wireless connection.
✎
You must set up or access a wireless network to establish a
wireless connection.
(3) Power button ■ When the computer is off, press the button to turn on the computer.
■ When the computer is on, press the button to shut down the computer.
■ When the computer is in the Sleep state, press the button briefly to
exit Sleep.
■ When the computer is in Hibernation, press the button briefly to
exit Hibernation.
If the computer has stopped responding and Windows shutdown procedures
are ineffective, press and hold the power button for at least 5 seconds to turn
off the computer.
To learn more about your power settings, select Start > Control Panel >
System and Maintenance > Power Options.
(4) Speaker Produces sound.