Bottom components

Item

Component

Function

 

 

 

(1)

Battery bay

Holds the battery.

 

 

 

(2)

Docking connector

Connects an optional docking device.

 

 

 

(3)

Vents (5)

Enable airflow to cool internal components.

 

 

CAUTION: To prevent overheating, do not obstruct vents.

 

 

Use the computer only on a hard, flat surface. Do not allow

 

 

another hard surface, such as an adjoining optional printer, or

 

 

a soft surface, such as pillows or thick rugs or clothing, to

 

 

block airflow.

 

 

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.

 

 

 

(4)

Accessory battery connector

Connects an optional accessory battery.

 

 

 

(5)

Memory module compartment

Contains the expansion memory module slot.

 

 

 

(6)

Hard drive bay

Holds the hard drive.

 

 

 

(7)

WWAN module compartment

Contains a WWAN module (select models only).

 

 

CAUTION: To prevent an unresponsive system and the

display of a warning message, replace the device with only a WLAN module authorized for use in the computer by the governmental agency that regulates wireless devices in your country. If you replace the device and then receive a warning message, remove the device to restore computer functionality, and then contact technical support through Help and Support.

Bottom components

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