Power Button; Fingerprint Sensor - Asus PU403U E-Manual

Touchpad
The touchpad allows the use of multi-gestures to navigate
onscreen, providing an intuitive user experience. It also simulates
the functions of a regular mouse.
NOTE: For more details, refer to the Using the touchpad section in
this manual.

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 at least four (4) seconds
until your Notebook PC shuts down.

Fingerprint sensor

This built-in fingerprint sensor captures your fingerprint and uses
it as biometric authentication for logging on to your Notebook
PC's system and other programs inside Windows® 10.
NOTE: For more details, refer to the ASUS Fingerprint section in
this manual.
16 Notebook PC E-Manual