2 External component identification
Display
Component | Description | |
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(1) | Internal display switch | Turns off the display or initiates Sleep if the display is closed |
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| while the power is on. |
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| NOTE: The display switch is not visible from the outside of the |
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| computer. |
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(2) | WLAN antennas (2)* | Send and receive wireless signals to communicate with wireless |
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| local area networks (WLAN). |
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(3) | WWAN antennas (2)* (select models only) | Send and receive wireless signals to communicate with wireless |
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| wide area networks (WWAN). |
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(4) | Internal microphone(s) (1 or 2 depending on | Record sound. |
| model) |
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(5) | Webcam light (select models only) | On: The webcam is in use. |
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Display 7