Power ManagementUser Guide
HibernationCAUTION: If the configuration of the computer is changed during hibernation, resuming fromhibernation may not be possible. When the compute
Initiating standby, hibernation or shutdownThe following sections explain when to initiate standby or hibernation and when to shut down thecomputer.NO
When using wireless communication, or readable or writable mediaCAUTION: To prevent possible audio and video degradation, loss of audio or video playb
4 Power settingsThis section explains standby, hibernation, and shutdown procedures.Turning the computer or display on or offTask Procedure ResultTurn
Initiating or resuming from standbyTask Procedure ResultInitiate standby.●With the computer on, press fn+f5.●Select Start > Turn Off Computer >S
Initiating or restoring from hibernationHibernation cannot be initiated unless it is enabled. Hibernation is enabled by default.To be sure that hibern
5 Power optionsYou can change many of the power settings using Windows Control Panel. For example, you can setan audio alert to warn you when the batt
Displaying the Power Meter iconBy default, the Power Meter icon appears in the notification area, at the far right of the taskbar, displayingdifferent
Setting or changing a power schemeThe Power Schemes tab in the Power Options Properties dialog box assigns power levels to systemcomponents. You can a
Setting a security promptYou can add a security feature that prompts you for a password when the computer is turned on,resumes from standby, or restor
© Copyright 2008 Hewlett-PackardDevelopment Company, L.P.Microsoft and Windows are U.S. registeredtrademarks of Microsoft Corporation.Bluetooth is a t
6 Processor performance controlsCAUTION: To reduce the possibility of heat-related injuries or of overheating the computer, do notplace the computer d
7 BatteriesWhen a charged battery is in the computer and the computer is not plugged into external power, thecomputer runs on battery power. When the
Inserting or removing a batteryNOTE: Batteries vary in appearance by model.To insert a battery:1. Turn the computer upside down on a flat surface, wit
Charging a batteryTo prolong battery life and optimize the accuracy of battery charge displays:WARNING! Do not charge the computer battery while you a
Viewing charge displaysTo view information about the status of any battery in the computer, follow either of these steps:●Double-click the Power Meter
Managing low-battery conditionsThe information in this section describes the alerts and system responses set at the factory. Some low-battery conditio
Resolving low-battery conditionsCAUTION: To reduce the risk of losing information when the computer reaches a critical low-batterycondition and has in
Calibrating a batteryWhen to calibrateEven if a battery is heavily used, it should not be necessary to calibrate it more than once a month. It isnot n
Step 2: Discharging the batteryBefore you begin a full discharge, disable hibernation.To disable hibernation:1. Select Start > Control Panel > P
Step 3: Recharging the batteryTo recharge the battery:1. Plug the computer into external power and maintain external power until the battery is fullyr
Table of contents1 Power control and light locations2 Power sourcesConnecting the AC adapter ...
Conserving battery powerUsing the battery conservation procedures and settings described in this section extends the time thata battery can run the co
Storing a batteryWARNING! To reduce potential safety issues, use only the battery provided with the computer, areplacement battery provided by HP, or
Disposing of a used batteryWARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture a battery; shortthe external contacts
IndexAAC adapter 4Bbatterybattery power vs. ACpower 17calibrating 23charging 19, 23conserving power 26disposing of 28inserting 18low-battery conditio
Low-battery condition ... 21Critical low-battery condition ...
1 Power control and light locationsThe following illustration and table identify and describe the power control and light locations.NOTE: Your compute
Component Description(4) Battery light On: A battery is charging.Blinking: A battery that is the only available power source hasreached a low-battery
2 Power sourcesThe computer runs on internal or external AC power. The following table indicates the best powersources for common tasks.WARNING! To re
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
3 Standby and hibernationStandby and hibernation are energy-saving features that conserve power and reduce startup time. Theycan be initiated by you o
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