HP (Hewlett-Packard) CQ57 ユーザーズマニュアル

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Right side
Item
Component
Description
(1)
Optical drive (select models only)
Reads and writes to an optical disc.
(2)
Optical drive light
On: The optical drive is in use.
Off: The optical drive is idle.
(3)
USB ports (2)
Connect optional USB devices.
(4)
Power connector
Connects an AC adapter.
(5)
AC adapter light
White: The computer is connected to external power
and the battery is fully charged.
Amber: A battery is charging.
(6)
Security cable slot
Attaches an optional security cable to the computer.
NOTE:
The security cable is designed to act as a
deterrent, but it may not prevent the computer from being
mishandled or stolen.
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Chapter 2   External component identification