Bottom components

Component

 

Description

 

 

 

(1)

Battery bay

Holds the battery.

 

 

 

(2)

Vents (4)

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.

 

 

 

(3)

Battery release latch

Releases the battery from the battery bay.

 

 

 

(4)

Memory module compartment

Contains two memory module slots and, on select

 

 

models, the wireless LAN (WLAN) device.

 

 

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.

 

 

 

(5)

Hard drive bay

Holds the hard drive.

 

 

 

Wireless antennas

At least two antennas send and receive signals from one or more wireless devices. These antennas are not visible from the outside of the computer.

ENWW

Bottom components 15