Bottom components

Item

Component

Function

 

 

 

(1)

Battery release latches (2)

Release the battery from the battery bay.

 

 

 

(2)

Battery bay

Holds the battery.

 

 

 

(3)

Vents (6)

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.

 

 

 

(4)

Memory module compartment

Contains the memory module slots.

 

 

 

(5)

WLAN module compartment (select models only)

Contains a WLAN module slot.

 

 

NOTE: 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.

 

 

 

(6)

Hard drive bay

Holds the hard drive.

 

 

 

12 Chapter 2 External component identification