HP EliteBook 820 G2 Notebook PC and HP EliteBook 720 G2 Notebook PC - Maintenance and Service Guide
Bottom
NOTE: Your computer may look slightly dierent from the illustration in this section.
Component Description
(1) Accessory battery connector (select models
only)
Connects an optional accessory battery.
(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 HP
Support Assistant.
To access Help and Support in Windows 7, select Start >
Help and Support.
To access HP Support Assistant in Windows 8.1, from the
Start screen, select the HP Support Assistant app.
Windows 10: Type support in the taskbar search box,
and then select the HP Support Assistant app.
– or –
Click the question mark icon in the taskbar.
18 Chapter 2 External component identication