Bottom components

Component

Description

 

 

 

(1)

Battery release latches (2)

Release the battery from the battery bay.

 

 

 

(2)

Battery bay

Holds the battery.

 

 

 

(3)

SIM slot (select models only)

Contains a wireless subscriber identity module (SIM). The SIM

 

 

slot is located inside the battery bay.

 

 

 

(4)

Broadband wireless module compartment

Contains an HP Mobile Broadband Module (select models only).

 

 

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)

Vents (5)

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.

 

 

 

(6)

Hard drive bay

Holds the hard drive.

 

 

NOTE: The 4.57-cm (1.80-inch) primary hard drive must be

 

 

installed in the hard drive bay. Installation of this drive in the

 

 

optical drive bay is not supported.

 

 

 

(7)

Bluetooth compartment

Contains a Bluetooth device.

 

 

 

16 Chapter 2 External component identification