Power Button - Asus F402CA E-Manual

Camera
The built-in camera allows you to take pictures or record videos
using your Notebook PC.
Display panel
This high-definition display panel provides excellent viewing
features for photos, videos, and other multimedia files on your
Notebook PC.
Air vents
The air vents allow cool air to enter and warm air to exit the
Notebook PC.
WARNING! Ensure that paper, books, clothing, cables, or other
objects do not block any of the air vents or else overheating
may occur.

Power button

Press the power button to turn your Notebook PC on or off.
You can also use the power button to put your Notebook PC to
sleep or hibernate mode and wake it up from sleep or hibernate
mode.
In the event that your Notebook PC becomes unresponsive,
press and hold the power button for about four (4) seconds
until your Notebook PC shuts down.
Numeric keypad (on selected models)
The numeric keypad toggles between these two functions: for
numeric input and as pointer direction keys.
NOTE: For more details, refer to the Numeric keypad (on selected
models) section in this manual.
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Notebook PC E-Manual