External component identification
Bottom components
Item Component | Description |
|
|
Hard drive bay | Holds the hard drive, memory module slots, WLAN module (select models |
| only), and WWAN module (select models only). |
|
|
Vents (4) | Enable airflow to cool internal components. |
| ✎ 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. |
|
|
Speaker | Produces sound. |
|
|
Battery bay | Holds the battery and subscriber identity module (SIM). |
|
|
Charge level indicator | Displays the approximate remaining battery charge. |
|
|
Accessory battery connector door | Slides open to expose the accessory battery connector. |
|
|
Accessory battery connector | Connects an optional accessory battery. |
|
|
Battery release latch | Releases the battery from the battery bay. |
|
|
Docking connector | Connects an optional docking device. |
|
|
Maintenance and Service Guide |
