HP EliteBook 840 G1 Service Manual page 33

Component
(1)
(2)
(3)
(4)
(5)
Description
Service cover
Service cover release latch
Service cover release lock
Vents (3)
SIM slot (select models only)
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 HP Support Assistant. To access HP
Support Assistant on the Start screen, select
the HP Support Assistant app.
Releases the service cover on the computer.
Locks the service cover.
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.
Supports a wireless subscriber identity
module (SIM). The SIM slot is located inside
the battery bay.
Bottom
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