HP R4127US, R4000, R4001XX Monitoring the Charge in a Battery Pack, Charging a New Battery Pack

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Power

Charging a New Battery Pack

To charge a new battery pack:

■Charge the battery pack while the notebook is connected to external power through the AC adapter.

■When you charge the battery pack, charge it fully.

Charging an In-Use Battery Pack

To charge an in-use battery pack:

■Allow the battery pack to discharge to about 10 percent of a full charge through normal use before charging it.

■When you charge the battery pack, charge it fully.

Monitoring the Charge in a Battery Pack

Obtaining Accurate Charge Information

To increase the accuracy of the battery charge information that is displayed by your notebook:

■Allow a battery pack to discharge to about 10 percent of a full charge through normal use before charging it.

■When you charge a battery pack, charge it fully. The charge in even a new battery pack may be reported inaccurately until the battery pack has been fully charged at least once.

■If a battery pack has been unused for one month or more, calibrate the battery pack instead of simply charging it.

For information about battery calibration, refer to “Calibrating a Battery Pack,” later in this chapter.

2–20	Hardware and Software Guide

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Contents Hardware and Software Guide Page Contents Power Keyboard Digital Memory Cards USB and 1394 Devices Security 15Notebook Care Keyboard and Mute Lights Component IDTop Components Power/Standby, Wireless and Memory Reader Lights TouchPad Power Controls Select Models Only Wireless and Volume ButtonsFn key KeysFront Components Rear Components Ports Right-Side ComponentsJacks and Vent Left-Side Components External Card FeaturesSecurity Cable Slot, Ports and Bays Bays and Vents Bottom ComponentsExpansion Memory Module Compartment Wireless Antennae Additional Hardware Components Power and Modem HardwareOptical Discs Support My Compaq Computer LabelsPower Control and Light Locations PowerPower Selecting a Power Source Power SourcesUsing External or Battery Power Standby Standby and HibernationHibernation Power Initiating Standby, Hibernation or Shutdown When You Leave Your WorkWhen the Power Supply Is Uncertain When Using Drive Media Default Power SettingsTurning the Notebook or Display On or Off Task Procedure ResultsInitiating or Restoring from Hibernation Task Procedure ResultWindows XP Home Select Start Turn Off Computer Stand By.† Initiating or Resuming from StandbyAccessing the Power Options Window Power OptionsUsing Emergency Shutdown Procedures Select the check box for Always show icon on the taskbar Displaying the Power Meter IconSetting or Changing a Power Scheme Using a Security Password Inserting a Battery Pack Battery PacksInserting or Removing a Battery Pack Removing a Battery Pack Charging Battery Packs Obtaining Accurate Charge Information Monitoring the Charge in a Battery PackCharging a New Battery Pack Charging an In-Use Battery PackInterpreting Charge Information Displays Managing Low-Battery ConditionsPower Meter Displaying Charge Information on the ScreenLow-Battery Condition Identifying Low-Battery ConditionsWhen External Power Is Available Resolving Low-Battery ConditionsWhen to Calibrate Calibrating a Battery PackCharging the Battery Pack How to CalibrateClear the Enable hibernation check box Performance and Maintenance Power Options Power Schemes tab Recharging the Battery PackConserving Power as You Work Conserving Battery PowerSelecting Power Conservation Settings Storing a Battery PackDisposing of a Used Battery Pack TouchPad Using the TouchPadKeyboard Keyboard To access the TouchPad Properties window Setting Mouse PropertiesHotkey Quick Reference HotkeysHelp and Support Using Hotkey ProceduresUsing Hotkey Commands Opening the Help and Support Center fn+f1Opening Internet Explorer fn+f3 Opening the Print Window fn+f2Switching Displays fn+f4 Select Start Control Panel User Accounts User Accounts Initiating Standby fn+f5Initiating QuickLock fn+f6 » Select Start Control Panel User Accounts User Accounts Increasing Screen Brightness fn+f8 Using the Media Activity Hotkeys fn+f9 through fn+f12Decreasing Screen Brightness fn+f7 Displaying System Information fn+esc Using Hotkeys with External KeyboardsDisplaying the Quick Launch Buttons Icon Quick Launch Buttons SoftwareDisplaying Hotkey Information Setting Windows Desktop Icon Display Preferences Select Arrange Icons By KeypadsUsing the Embedded Numeric Keypad Enabling and Disabling Switching Key Functions Using an External Numeric KeypadMultimedia Audio FeaturesUsing the Audio-In Microphone Jack Using the Audio-Out Headphone Jack Using the Volume Buttons Adjusting the VolumeUsing the Windows Volume Icon Video FeaturesUsing the S-Video-Jack Multimedia Connecting a Monitor or Projector Connecting a Monitor, Projector or TelevisionConnecting the Audio Connecting a TelevisionChanging the Color Television Format Displaying and Switching the Video ImageChanging the Video Display Selecting Multimedia Applications Software SetupMultimedia Software Finding Included Multimedia ApplicationsUsing Windows MovieMaker Using Default ApplicationsUsing Windows Media Player Using InterVideo WinDVD Creator Using Apple iTunesUsing Sonic RecordNow Using InterVideo WinDVD PlayerInstalling Preloaded Applications Installing Multimedia ApplicationsSelect Start Run Installing Applications from a DiscObserving the Copyright Warning Using Multimedia ApplicationsAccessing Help for Multimedia Applications Protecting a CD or DVD Write Process Using Media Activity Hotkeys Protecting Playback Setting AutoPlay PreferencesChanging DVD Region Settings Select Properties Changing DVD Settings in the Operating SystemSelect Start Control Panel Performance Maintenance System Select Start All Programs InterVideo WinDVD Player Changing DVD Settings in a Multimedia ApplicationDrive Care DrivesPrimary Hard Drive IDE Drive LightInserting an Optical Disc Optical DriveRemoving an Optical Disc With Power Removing an Optical Disc Without Power Avoiding Standby or Hibernation Displaying Optical Disc ContentsPC Cards and ExpressCards What Is a PC Card?Inserting a PC Card PC Cards and ExpressCards Stopping or Removing a PC Card Selecting an ExpressCard What Is an ExpressCard?Inserting an ExpressCard Configuring an ExpressCardPC Cards and ExpressCards Stopping or Removing an ExpressCard Digital Memory Cards What Is a Digital Memory Card?Using the Memory Reader Light Insertion Removal Expansion Memory Module Slot What Is a Memory Module?Memory Modules Primary Memory Module SlotRemoving or Inserting a Memory Module Selecting a Memory ModuleMemory Modules Memory Modules Memory Modules Memory Modules Select Start Help and Support Center My Compaq Computer Video Memory SettingsHibernation File Memory Modules USB and 1394 Devices What Is USB?USB Device Connection Device Connection What Is 1394?Modem Cable Modem and NetworkingInternal Modem Modem and Networking Using the Modem Cable Using a Country-Specific Modem Cable Adapter Viewing the Current Country Selection Adding New Locations When TravelingModem Country Selection 10-6 Hardware and Software Guide Select OK OK Solving Travel Connection ProblemsCheck the telephone line type Check for pulse or tone dialingSet the modem to ignore dial tones Select Start All Programs Accessories Communications Preinstalled Communication SoftwareNetwork Cable NetworkUsing the Network Cable Wireless Select Models Only Wireless Select Models Only Wireless Local Area Network Select Models Only Setting Up a Wlan in Your Home Start Help and Support Using a Wlan ConnectionInstalling Wireless Software Optional Using Wireless Security FeaturesSelect Start My Computer Identifying an 802.11 wireless deviceAccessing Wlan Software Documentation Bluetooth Select Models Only 11-10 Hardware and Software Guide Device Power States 11-12 Hardware and Software Guide Then Turning On the DevicesTurning Off and Disabling the Devices Security Security FeaturesTo Protect Against Use This Security Feature QuickLock Security Preferences Setup Utility12-4 Hardware and Software Guide Compaq and Windows Passwords PasswordsFor information about Choosing Your Passwords Compaq and Windows Password GuidelinesCoordinating Your Passwords Compaq Administrator Passwords Setting Compaq Administrator Passwords Setting Power-On Passwords Power-On PasswordsEntering Compaq Administrator Passwords Entering Power-On Passwords DriveLock Setting DriveLock Passwords Entering DriveLock Passwords Changing DriveLock Passwords Removing DriveLock Protection Select Security Device Security, and then press enter Device SecurityAll Programs Norton AntiVirus Antivirus Software» Use the update link at Start Help and Support Critical Security Updates for Windows XPFirewall Software Optional Security Cable What Is the Setup Utility? Setup UtilityOpen the Setup Utility Setup Utility Language System Information Navigation and Item SelectionDefault Settings Advanced Features Close the Setup Utility Software Updates Software Updates RecoveryAccessing Notebook ROM Information Accessing Notebook Product InformationHardware and Software Guide 14-3 Downloading System ROM Internet SoftwareDownloading a ROM Update Accessories Windows Explorer Installing a ROM UpdateDownloading Software All Programs Accessories Windows ExplorerSystem Recovery Before You Begin Safeguarding Your DataRestoring to a Restore Point Using System RestoreSetting a Restore Point Repairing or Reinstalling Drivers Reinstalling Applications from Your Hard Drive Repairing or Reinstalling ApplicationsReinstalling Applications from a Recovery Disc Shut Down Turn Off Repairing the Operating SystemBack Up Data Reinstalling the Operating SystemSelect Start All Programs Accessories System Tools Backup 14-16 Hardware and Software Guide Reinstall the Operating System Reinstall Drivers » Select Start Help and Support Reinstall Additional SoftwareUpdate Reinstalled Software Temperature 15-2 Hardware and Software Guide Keyboard External Mouse DisplayHardware and Software Guide 15-5 15-6 Hardware and Software Guide Travel Travel and ShippingReview Modem Country Selection in , Modem and Networking ShippingOperating Environment SpecificationsRated Input Power Feature Support Expansion Port 2 Input/Output SignalsSee also software applications key, Windows IndexBios information, displaying fn+esc Critical Security Updates for Windows XP disc Critical Security Updates See also memory memory modules See also drives hard drive bay See also buttons display switch Index-8 Num lock key Index-10 Primary memory module slot See also memory memory ROM Speakers Service Tag External Setup utility Internal 1-7,4-2 Index-14 VCR

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