HP ProBook 440 G2 Notebook PC - Manual (Page 33)

Component Description
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. To access Help and Support, select
Start > Help and Support.
(5) Battery bay Holds the battery.
(6) SIM slot Supports a wireless subscriber identity module (SIM).
The SIM slot is located under the service door.
Component Description
(1) Vent 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.
(2) Service door Provides access to the hard drive bay and the memory
module slots.
(3) Battery release latches (2) Releases the battery from the battery bay.
(4) Service door Provides access to the wireless LAN (WLAN) module
slot, the WWAN module slot, and SIM slot.
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