Hp Power Management Manuel d'utilisateur

Power ManagementUser Guide

2 Using battery powerWhen a charged battery is in the computer and the computer is not plugged into external power, thecomputer runs on battery power.

Finding battery information in Help and SupportThe Battery Information section of the Help and Support Learning Center provides the following toolsand

Displaying the remaining battery chargeMove the pointer over the battery meter icon in the notification area, at the far right of the taskbar.– or –V

Inserting or removing the batteryCAUTION Removing a battery that is the sole power source can cause loss of information. Toprevent loss of information

Charging a batteryWARNING! Do not charge the computer battery while you are onboard aircraft.The battery charges whenever the computer is plugged into

Managing low battery levelsThe information in this section describes the alerts and system responses set at the factory. Some low-battery alerts and s

Resolving a low battery levelCAUTION To reduce the risk of losing information when the computer reaches a critical batterylevel and has initiated Hibe

Calibrating a batteryCalibrate a battery under the following conditions:●When battery charge displays seem inaccurate●When you observe a significant c

Step 3: Discharge the batteryThe computer must remain on while the battery is being discharged. The battery can discharge whetheror not you are using

Step 4: Fully recharge the batteryTo recharge the battery:1. Plug the computer into external power and maintain external power until the battery is fu

© Copyright 2007 Hewlett-PackardDevelopment Company, L.P.Windows and Windows Vista are eithertrademarks or registered trademarks ofMicrosoft Corporati

Conserving battery power●Select low power-use settings through Power Options in Windows Control Panel.●Turn off wireless and local area network (LAN)

Storing a batteryCAUTION To prevent damage to a battery, do not expose it to high temperatures for extendedperiods of time.If a computer will be unuse

Disposing of a used batteryWARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture a battery;short the external contacts

3 Using external AC powerExternal AC power is supplied through one of the following devices:WARNING! To reduce potential safety issues, use only the A

Connecting the AC adapterWARNING! To reduce the risk of electric shock or damage to the equipment:Plug the power cord into an AC outlet that is easily

4 Shutting down the computerCAUTION Unsaved information will be lost when the computer is shut down.The Shut Down command closes all open programs, in

IndexAAC adapter, connecting 20Bbatterycalibrating 13charging 10, 13conserving power 16disposing 18inserting 9low battery levels 11recharging 15remov

Table of contents1 Setting power optionsUsing power-saving states ...

Index ...

1 Setting power optionsUsing power-saving statesThe Windows Vista™ operating system has two power-saving states enabled at the factory: Sleep andHiber

●Press a key on the keyboard or button on the remote control (select models only).●Activate the TouchPad.When the computer exits Sleep, the power ligh

Using the battery meterThe battery meter is located in the notification area, at the far right of the taskbar. The battery meterallows you to quickly

Using power plansA power plan is a collection of system settings that manages how the computer uses power. Powerplans can help you conserve power or m

Setting password protection on wakeupTo set the computer to prompt for a password when the computer exits Sleep or Hibernation, followthese steps:1. S