HP Power Management manual Power sources, Task Recommended power source

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2 Power sources

The computer runs on internal or external AC power. The following table indicates the best power sources for common tasks.

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.

Task	Recommended power source

Work in most software applications	● Charged battery in the computer
	● External power supplied through one of the following
		devices:
		◦	AC adapter included with the computer
		◦	Optional docking device or expansion product
		◦	Optional power adapter

Charge or calibrate a battery in the computer	External power supplied through one of the following devices:
	● AC adapter included with the computer
	● Optional docking device or expansion product
	●	Optional power adapter
	WARNING! Do not charge the computer battery while you are
	onboard aircraft.

Install or modify system software or write to a CD or DVD	External power supplied through one of the following devices:
	● AC adapter included with the computer
	● Optional docking device or expansion product
	●	Optional power adapter

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Contents Power Management First Edition January Document Part Number Table of contents Index Component Description Power control and light locationsPower control and light locations Task Recommended power source Power sourcesConnecting the AC adapter Standby Standby and hibernationHibernation When a reliable power supply is unavailable When you leave your workInitiating standby, hibernation or shutdown Page Using emergency shutdown procedures Power settingsTurning the computer or display on or off Stand by Initiating or resuming from standbySelect Hibernate Initiating or restoring from hibernationAccessing Power Options Properties Power optionsClear the Always show icon on the taskbar check box Displaying the Power Meter iconSetting or changing a power scheme Setting a security prompt Processor performance controls PowerBatteries Inserting or removing a battery Displaying charge information on the screen Charging a batteryMonitoring the charge of the battery Obtaining accurate charge informationViewing charge displays Critical low-battery condition Managing low-battery conditionsIdentifying low-battery conditions Low-battery conditionWhen no power source is available Resolving low-battery conditionsWhen external power is available When a charged battery is availableCharging the battery Calibrating a batteryWhen to calibrate How to calibrateDischarging the battery Recharging the battery Conserving power as you work Conserving battery powerSelecting power conservation settings Storing a battery Disposing of a used battery AC adapter Index