Bottom components
Component Description
(1) Battery bay Holds the battery and a wireless subscriber identity module (SIM).
The SIM slot is located inside the battery bay.
NOTE: The battery must be installed for the SIM card to operate.
(2) Battery release latch Releases the battery from the battery bay.
(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) Memory module compartment Contains the primary and expansion memory module slots and an
HP Mobile Broadband Module (select models only).
CAUTION: To prevent an unresponsive system, replace the
device 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.
14 Chapter 2 Components