Item | Component | Function |
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(1) | Ambient light sensor | Adjusts the screen brightness levels automatically, |
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| based on surrounding lighting conditions. |
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(2) | Internal microphones (2) | Record sound.. |
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(3) | Webcam light | On: The webcam is in use. |
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(4) | Webcam infrared (IR) lights (2) | Improve the webcam picture quality in |
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| conditions. |
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(5) | Webcam | Records video and captures still photographs. |
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(6) | Wireless antennas (2) | Send and receive signals from one or more wireless |
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| devices. These antennas are not visible from the outside |
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| of the computer. |
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| NOTE: For optimal transmission, keep the areas |
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| immediately around the antennas free from obstructions. |
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| To see wireless regulatory notices, refer to the section of |
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| the Regulatory, Safety and Environmental Notices that |
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| applies to your country or region. These notices are |
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| located in Help and Support. |
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(7) | Internal display switch | Turns off the display and initiates Sleep if the display is |
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| closed while the power is on. |
NOTE: The internal display switch is not visible from the outside of the computer.
Button
6 | Chapter 2 External component identification |