HP LQ174AW, WX557AV, LJ527UT, LQ164AW Using Power Assistant select models only, Using battery power

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Using Power Assistant (select models only)

Power Assistant allows you to configure system settings to optimize your computer's power consumption and battery charge. Power Assistant provides tools and information to help you make informed decisions on power management:

●Power consumption predictions in hypothetical system configurations

●Predefined power profiles

●Usage details and graphs showing power consumption trends over time To start Power Assistant when Windows is running:

▲Select Start > All Programs > HP > HP Power Assistant.

– or –

Press fn+f6 (select models only).

For more information about using, configuring, and managing Power Assistant, refer to the Power Assistant software Help.

Using battery power

WARNING! To reduce potential safety issues, use only the battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP.

The computer runs on battery power whenever it is not plugged into external AC power. Computer battery life varies, depending on power management settings, running programs, display brightness, external devices connected to the computer, and other factors. Keeping the battery in the computer whenever the computer is plugged into AC power charges the battery and also protects your work in case of a power outage. If the computer contains a charged battery and is running on external AC power, the computer automatically switches to battery power if the AC adapter is disconnected from the computer or an AC power loss occurs.

NOTE: When you disconnect AC power, the display brightness is automatically decreased to save battery life. For information on increasing or decreasing display brightness, refer to the Getting Started guide. Select computer models can switch between graphic modes to increase battery life. For more information, refer to Switching between graphics modes (select models only) on page 32.

Finding additional battery information

Help and Support provides the following tools and information about the battery:

●Battery Check tool to test battery performance

●Information on calibration, power management, and proper care and storage to maximize battery life

●Information on battery types, specifications, life cycles, and capacity

To access battery information:

▲Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions.

Using Power Assistant (select models only) 27

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Contents HP Notebook Product notice Safety warning notice Iv Safety warning notice Table of contents VGA Hdmi External cards and devices Cleaning your computer Cleaning products Viii Computer Setup Bios and System Diagnostics Page Finding more information about your new computer IntroductionIdentifying wireless and network status icons Creating a wireless connectionNetworking select models only WindowsWindows Vista Using HP Connection Manager select models only Turning wireless devices on or offUsing operating system controls Click Start All Programs HP HP Connection ManagerConnecting to an existing Wlan Using a WlanSelect Start Connect to Protecting your Wlan Setting up a new WlanRoaming to another network Inserting a SIM Using HP Mobile Broadband select models onlyUsing Bluetooth wireless devices Using GPS select models onlyBluetooth and Internet Connection Sharing ICS Removing a SIMUsing a modem select models only Connecting to a wired networkConnecting a modem cable Page Selecting a location setting Connecting a country- or region-specific modem cable adapterWindows Select Start Device and Printers Adding new locations when travelingConnecting to a local area network LAN select models only Page Multimedia Using the media activity controlsAudio Select Start All Programs Accessories Sound Recorder Adjusting the volumeChecking audio functions on the computer Select Start Control Panel Hardware and Sound SoundSelect Start All Programs Accessories Sound Recorder Webcam select models only VGA VideoHdmi Configuring audio for HdmiIntel Wireless Display select models only Shutting down the computer Power managementWindows 7-SelectStart Shut down Using power-saving states Setting power optionsInitiating and exiting Sleep Initiating and exiting HibernationUsing power plans Using the power meterViewing the current power plan Selecting a different power planCustomizing power plans Setting password protection on wakeupClick Require a password recommended Click Save changes Using battery power Using Power Assistant select models onlyFinding additional battery information Select Start All Programs HP HP Power AssistantDisplaying the remaining battery charge Using Battery CheckMaximizing battery discharge time Managing low battery levelsResolving a low battery level Conserving battery powerStoring a battery Using external AC powerDisposing of a used battery Replacing the batteryPage Testing an AC adapter Switching between graphics modes select models onlyExternal cards and devices Using Media Card Reader cards select models onlyInserting a digital card Removing a digital card Using PC Cards select models onlyConfiguring a PC Card Inserting a PC Card Configuring an ExpressCard Using ExpressCards select models onlyRemoving a PC Card Inserting an ExpressCard Removing an ExpressCard Using smart cards select models onlyInserting a smart card Using a USB deviceRemoving a smart card Connecting a USB device Using 1394 devices select models onlyRemoving a USB device Connecting a 1394 device Using an eSATA device select models onlyRemoving a 1394 device Removing an eSATA device Connecting an eSATA deviceUsing optional external devices Using a serial device select models onlyUsing optional external drives Using the docking connector select models only Using the expansion port select models onlyExternal cards and devices Handling drives DrivesUsing Disk Defragmenter Using hard drivesUsing Disk Cleanup Improving hard drive performanceManaging power with a parked hard drive Using HP 3D DriveGuard select models onlyIdentifying HP 3D DriveGuard status Identifying the installed optical drive Using optical drives select models onlyUsing HP 3D DriveGuard software Inserting an optical discSlot load Removing an optical discWhen the disc tray opens normally Slot load Sharing optical drives Using RAID select models onlyProtecting the computer SecuritySetting passwords in Windows Using passwordsManaging a Bios administrator password Setting passwords in Computer SetupSetting a new Bios administrator password Changing a Bios administrator passwordEntering a Bios administrator password Managing a Computer Setup DriveLock passwordDeleting a Bios administrator password Setting a DriveLock password Changing a DriveLock password Entering a DriveLock passwordRemoving DriveLock protection Entering an Automatic DriveLock password Using Computer Setup Auto DriveLockRemoving Automatic DriveLock protection Page Using antivirus software Using firewall software Installing critical security updates Using HP ProtectTools Security Manager select models only Installing an optional security cable Locating the fingerprint reader Using the fingerprint reader select models onlyMaintenance Cleaning products Cleaning your computerCleaning procedures Cleaning the displayCleaning a tablet PC pen and pen holder Cleaning the TouchPad and keyboardUpdating programs and drivers Using SoftPaq Download Manager Using Computer Setup Computer Setup Bios and System DiagnosticsStarting Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Determining the Bios version Updating the BiosDownloading a Bios update Select Start Help and Support MaintainUsing System Diagnostics About the boot device order MultiBootEnabling boot devices in Computer Setup Considering boot order changes Setting a new boot order in Computer Setup Choosing MultiBoot preferencesDynamically choosing a boot device using the F9 prompt Entering MultiBoot Express preferences Setting a MultiBoot Express promptConfiguring and deploying a software image Using Client Management SolutionsManagement HP Client Manager for Altiris select models only Managing and updating softwarePage HP SSM System Software Manager HP CCM Client Configuration Manager select models onlyUsing Intel Active Management Technology select models only Using the MEBx setup utility menus Enabling the iAMT solutionIntel ME Configuration IAMT ConfigurationChange Intel ME Password Traveling with the computer Page Troubleshooting resources Electrostatic Discharge Index Symbols/NumericsKeys SIM
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