Acer W4-821P - Manual (Page 8)

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Front view
3
2
4
1
No. Item Description
1 Light sensor
Detects ambient light and automatically adjusts screen brightness.
Not available on all models.
2 Integrated webcam 2-megapixel camera for video communication.
3
Camera indicator
light Lights up when camera is active.
Not available on all models.
4 Windows key Press once to open the Start menu.