HP EliteBook 745 G2, Maintenance And Service Manual, Page: 31 / 172

Component Description
(1) 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.
Windows 8.1:
On the Start screen, select the HP Support
Assistant app.
Other operating systems:
Go to http://www.hp.com/support , select your
country or region, and follow the on-screen
instructions.
(2) Service door release latch Releases the service door on the computer.
(3) Service door release lock Locks the service door.
(4) 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.
(5) SIM slot (select models only) Supports a wireless subscriber identity module
(SIM). The SIM slot is located inside the battery
bay.
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