Component

 

Description

 

 

 

(9)

Service door

Provides access to the hard drive bay, the wireless

 

 

LAN (WLAN) module slot, the WWAN module slot, and

 

 

the memory module slots.

 

 

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 support through Help and Support.

 

 

 

(10)

Accessory battery connector

Connects an optional accessory battery.

 

 

 

18 Chapter 2 Getting to know your computer