Bottom components

Component

Description

 

 

 

(1)

SIM slot

Contains a wireless subscriber identity module (SIM) (select

 

 

models only). The SIM slot is located inside the battery bay.

 

 

 

(2)

Battery bay

Holds the battery.

 

 

 

(3)

Docking connector

Connects an optional docking device.

 

 

 

(4)

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.

 

 

 

(5)

Accessory battery connector

Connects an optional accessory battery.

 

 

 

(6)

Memory module compartment

Contains two expansion memory module slots.

 

 

 

(7)

Hard drive bay

Holds the hard drive.

 

 

 

(8)

Bluetooth compartment

Contains a Bluetooth device.

 

 

 

(9)

Wireless module compartment

Contains an HP Mobile Broadband Module.

 

 

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.

 

 

 

(10)

Battery release latch

Releases the battery from the battery bay.

 

 

 

Identifying hardware 11