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Component |
| Description |
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(5) | Vents (2) | Enable airflow to cool internal components. |
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| NOTE: The computer fan starts up automatically to |
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| cool internal components and prevent overheating. It is |
|
| normal for the internal fan to cycle on and off during |
|
| routine operation. |
(6) | SIM slot (select models only) |
Supports a wireless subscriber identity module (SIM). The SIM slot is located inside the battery bay.
20 | Chapter 2 External component identification |