HP EliteBook 850 G2 Notebook PC HP EliteBook 750 G2 Notebook PC HP ZBook 15u G2 Mobile Workstation - Maintenance and Service Guide

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NOTE: Your computer may look slightly different from the illustration in this section.
Item Component Description
(1) 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 through HP
Support Assistant. To access HP Support Assistant, from
the Start screen, select the HP Support Assistant app.
(2) Service cover release latch Releases the service door.
(3) Service cover 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.
24 Chapter 2 Getting to know your computer ENWW