HP J8K44PA User Manual page 33

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