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The computer does not use battery power when the computer is connected to external power with an
approved AC adapter or an optional docking device or expansion product.
WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a
replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
WARNING! Do not charge the computer battery while you are aboard aircraft.
Connect the computer to external power under any of the following conditions:
● When charging or calibrating a battery
● When installing or updating system software
● When updating the system BIOS
● When writing information to a disc (select products only)
● When running Disk Defragmenter on computers with internal hard drives
● When performing a backup or recovery
When you connect the computer to external power:
● The battery begins to charge.
● The Power icon changes appearance.
When you disconnect external power:
● The computer switches to battery power.
● The Power icon changes appearance.
34 Chapter 6 Managing power
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