HP EliteBook 2170p Notebook PC - Manual (Page 22)

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Component Description
(1) Vents (2) 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, the wireless
LAN (WLAN) module slot, the WWAN module slot, and
the memory module slots.
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 through Help and Support. From the
Start screen, type h, and then select Help and
Support.
(3) Battery lock latch Releases the battery from the computer.
(4) SIM slot Supports a wireless subscriber identity module (SIM)
(select models only). The SIM slot is located inside the
battery bay.
(5) Battery bay Holds the battery.
(6) Docking connector Connects an optional docking device.
(7) Battery release latch Releases the battery.
12 Chapter 2 Getting to know your computer