HP Nx9420 Power Management - Windows XP

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  • HP Nx9420 | Power Management - Windows XP - Page 1
    Power Management User Guide
  • HP Nx9420 | Power Management - Windows XP - Page 2
    © Copyright 2007 Hewlett-Packard Development Company, L.P. Windows is a U.S. registered trademark of Microsoft Corporation. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements
  • HP Nx9420 | Power Management - Windows XP - Page 3
    Product notice This user guide describes features that are common to most models. Some features may not be available on your computer. iii
  • HP Nx9420 | Power Management - Windows XP - Page 4
    iv Product notice
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    ...7 Viewing the current scheme 7 Selecting a different power scheme 7 Customizing power schemes 7 Setting password protection upon exiting Standby 8 4 Using battery power Finding battery information in Help and Support 10 Displaying the remaining battery charge 11 Inserting or removing the
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    Connecting the AC adapter ...23 Index ...24 vi
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    to exit Standby. ● When the computer is in Hibernation, press the button briefly to exit Hibernation. If the computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your
  • HP Nx9420 | Power Management - Windows XP - Page 8
    computer is in Standby. ● Blinking rapidly: An AC adapter with a higher power rating should be connected. ● Off: The computer is off or in Hibernation. (3) fn+f3 (4) Battery light Initiates Standby. ● On: A battery is charging. ● Green: A battery is close to full charge capacity. ● Blinking
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    replace the battery or access components inside the computer ● When you are connecting an external hardware device that does not connect to a USB port or a 1394 port ● When the computer will be unused and disconnected from external power for an extended been registered to a network domain, the button
  • HP Nx9420 | Power Management - Windows XP - Page 10
    . NOTE: When HP 3D DriveGuard has parked a drive, the computer will not initiate Standby or Hibernation, and the display will be turned off. Initiating and exiting Standby The system is set at the factory to initiate Standby after 10 minutes of inactivity when running on battery power and 25 minutes
  • HP Nx9420 | Power Management - Windows XP - Page 11
    , you must enter your Windows password before your work will return to the screen. Initiating and exiting Hibernation The system is set at the factory to initiate Hibernation after 30 minutes of inactivity when running on battery power or when the battery reaches a critical battery level. NOTE: The
  • HP Nx9420 | Power Management - Windows XP - Page 12
    to quickly access power settings and view the remaining battery charge. ● To access Power Options, right-click the Power Meter icon and select Adjust Power Properties. ● To display the percentage of remaining battery charge, double-click the Power Meter icon. Different battery meter icons indicate
  • HP Nx9420 | Power Management - Windows XP - Page 13
    of system settings that manages how the computer uses power. Power schemes can help you conserve power and maximize computer performance. The following power schemes are available: ● Portable/Laptop (recommended) ● Home/Office Desk ● Presentation ● Always On ● Minimal Power Management ● Max Battery
  • HP Nx9420 | Power Management - Windows XP - Page 14
    when the computer exits Standby, follow these steps: 1. Right-click the Power Meter icon in the notification area, and then click Adjust Power Properties. 2. Click the Advanced tab. 3. Select the Prompt for password when computer resumes from standby check box. 4. Click Apply. 8 Chapter 3 Setting
  • HP Nx9420 | Power Management - Windows XP - Page 15
    . When the computer is plugged into external AC power, the computer runs on AC power. If the computer contains a charged battery and is running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is disconnected from the computer. NOTE: The
  • HP Nx9420 | Power Management - Windows XP - Page 16
    Finding battery information in Help and Support To locate battery information for your computer, select Start > Help and Support > Learn More About Your PC. 10 Chapter 4 Using battery power
  • HP Nx9420 | Power Management - Windows XP - Page 17
    notification area, at the far right of the taskbar. - or - Select Start > Control Panel > Performance and Maintenance > Power Options > Power Meter tab. Most charge indicators report battery status as both a percentage and as the number of minutes of charge remaining: ● The percentage indicates the
  • HP Nx9420 | Power Management - Windows XP - Page 18
    or removing the battery CAUTION: Removing a battery that is the sole power source can cause loss of information. To prevent loss of information, save your work and initiate Hibernation or shut down the computer through Windows before removing the battery. To insert the battery: 1. Turn the computer
  • HP Nx9420 | Power Management - Windows XP - Page 19
    ! Do not charge the computer battery while you are onboard aircraft. The battery charges whenever the computer is plugged into external power through an AC adapter, an optional power adapter, an optional expansion product, or an optional docking device. The battery charges whether the computer is
  • HP Nx9420 | Power Management - Windows XP - Page 20
    alerts and system responses can be changed using Power Options in Windows Control Panel. Preferences set using Power Options do not affect lights. Identifying low battery levels When a battery that is the sole power source for the computer reaches a low battery level, the battery light blinks
  • HP Nx9420 | Power Management - Windows XP - Page 21
    Hibernation, do not restore power until the power lights turn off. Resolving a low battery level when external power is available ▲ Connect one of the following devices: ● AC adapter ● Optional expansion product or docking device ● Optional power adapter Resolving a low battery level when a charged
  • HP Nx9420 | Power Management - Windows XP - Page 22
    is off. To fully charge the battery: 1. Insert the battery into the computer. 2. Connect the computer to an AC adapter, optional power adapter, optional expansion product, or optional docking device, and then plug the adapter or device into external power. The battery light on the computer turns on
  • HP Nx9420 | Power Management - Windows XP - Page 23
    process: ◦ The monitor will not turn off automatically. ◦ Hard drive speed will not decrease automatically when the computer is idle. ◦ System-initiated Hibernation will not occur. To discharge a battery: 1. Unplug the computer from its external power source, but do not turn off the computer. 2. Run
  • HP Nx9420 | Power Management - Windows XP - Page 24
    the battery To recharge the battery: 1. Plug the computer into external power and maintain external power until the battery is fully recharged. When the battery is recharged, the battery light on the computer turns off. You can use the computer while the battery is recharging, but the battery will
  • HP Nx9420 | Power Management - Windows XP - Page 25
    Conserving battery power ● Select low power-use settings through Power Options in Windows Control Panel. ● Turn off wireless and local area network (LAN) connections and exit modem applications when you are not using them. ● Disconnect external devices that are not plugged into an external power
  • HP Nx9420 | Power Management - Windows XP - Page 26
    it to high temperatures for extended periods of time. If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately. To prolong the charge of a stored battery, place it in a cool, dry place. Calibrate a battery before using it if it
  • HP Nx9420 | Power Management - Windows XP - Page 27
    risk of fire or burns, do not disassemble, crush, or puncture a battery; short the external contacts on a battery; or dispose of a battery in fire or water. Do not expose a battery to temperatures above 60˚C (140˚F). Replace the battery only with a battery approved for this computer. Refer to the
  • HP Nx9420 | Power Management - Windows XP - Page 28
    AC power External AC power is supplied through one of the following devices: 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. ● Approved AC adapter ● Optional docking
  • HP Nx9420 | Power Management - Windows XP - Page 29
    grounding pin is an important safety feature. To connect the computer to external AC power: 1. Plug the AC adapter into the power connector (1) on the computer. 2. Plug the power cord into the AC adapter (2). 3. Plug the other end of the power cord into an AC outlet (3). Connecting the AC adapter 23
  • HP Nx9420 | Power Management - Windows XP - Page 30
    A AC adapter, connecting 23 B battery calibrating 16 charging 13, 16 conserving power 19 disposing 21 inserting 12 low battery levels 14 recharging 18 removing 12 storing 20 battery light 2, 13, 14 battery power 9 battery release latch 12 battery temperature 20 button, power 1 C calibrating battery
  • HP Nx9420 | Power Management - Windows XP - Page 31
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Power Management
User Guide