HP EliteBook 720 Maintenance and Service Guide - Page 28

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Bottom NOTE: Your computer may look slightly different from the illustration in this section. Component (1) (2) Description Accessory battery connector (select models Connects an optional accessory battery. only) 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 identification

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Bottom
NOTE:
Your computer may look slightly
different
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
identification