Bottom components
Item | Component | Function |
|
|
|
(1) | Battery bay | Holds the battery. |
|
|
|
(2) | Battery release latch | Releases the battery from the battery bay. |
|
|
|
(3) | SIM slot (select models only) | Contains a WWAN SIM. The SIM slot is located inside the |
|
| battery bay. |
|
|
|
(4) | Accessory battery connector | Connects an optional accessory battery. |
|
|
|
(5) | Vents (5) | 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) | Expansion memory module compartment | Contains the expansion memory module slot and the WLAN |
|
| module. |
|
| CAUTION: To prevent an unresponsive system, replace the |
|
| wireless module only with a wireless module authorized for use |
|
| in the computer by the governmental agency that regulates |
|
| wireless devices in your country or region. If you replace the |
|
| module and then receive a warning message, remove the |
|
| module to restore computer functionality, and then contact |
|
| technical support through Help and Support. |
|
|
|
(7) | Bluetooth module compartment (select models | Contains a Bluetooth device. |
| only) |
|
|
|
|
(8) | Hard drive bay | Holds the hard drive. |
|
|
|
(9) | Docking connector (select models only) | Connects an optional docking device. |
|
|
|
18 Chapter 2 External component identification