User Guide - Windows 8.1

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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 HP Support Assistant, from the Start screen,
select the HP Support Assistant app.
(3) Service door release latch Releases the service door.
(4) Service door release lock Locks the service door.
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