HP ProBook 450 G1 Notebook PC - Manual (Page 23)

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Component Description
(1) Battery and service cover release
latches ● Releases the battery from the battery bay by
sliding the release latches one time.
● When the battery has been removed from the
battery bay, releases the service cover from
the computer by sliding the release latches a
second time.
(2) Battery bay Holds the battery.
(3) service cover 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.
(4) 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.
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