Component |
| Description |
|
|
|
(5) | Vents (2) | Enable airflow to cool internal components. |
|
| NOTE: The computer fan starts up automatically to |
|
| 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 |