HP 550 Power Management - Windows XP

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  • HP 550 | Power Management - Windows XP - Page 1
    Power Management User Guide
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    products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. First Edition: August 2008 Document Part Number: 488368-001 Product notice This user guide describes features
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    AC adapter ...10 4 Using battery power Displaying the remaining battery charge 12 Inserting or removing the battery ...13 Charging a battery ...14 Managing low battery levels ...15 Identifying low battery levels 15 Resolving a low battery level 16 Resolving a low battery level when external power
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    5 Shutting down the computer Index ...23 iv
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    in the computer are fully charged. If the computer is not plugged into an external power source the light stays off until the battery reaches a low battery level. ● When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button to initiate Hibernation
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    Component (4) Power light (5) Internal display switch Description ● When the computer is in Standby, press the button briefly 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
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    while the computer is in Standby or in Hibernation. NOTE: When HP 3D DriveGuard has parked a drive, the computer will not initiate Standby factory to initiate Standby after 10 minutes of inactivity when running on battery power and 25 minutes of inactivity when running on external power. Power
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    exiting Hibernation The system is set at the factory to initiate Hibernation after 30 of inactivity when running on battery power or when the battery reaches a critical battery level. NOTE: The system will not initiate Hibernation when running on external power. Power settings and timeouts can be
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    in the notification area, at the far right of the taskbar. The Power Meter allows you 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
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    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 You can change the settings of these power schemes through Power Options. Viewing the
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    Setting password protection upon exiting Standby To set the computer to prompt for a password 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
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    AC adapter purchased from HP. ● Approved AC adapter ● Optional docking device Connect the computer to external AC power under any of the following conditions: WARNING! Do not charge the computer battery while you are onboard aircraft. ● When you are charging or calibrating a battery ● When you are
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    Connecting the AC adapter WARNING! To reduce the risk of electric shock or damage to the equipment: Plug the power cord into an AC outlet that is easily accessible at all times. Disconnect power from the computer by unplugging the power cord from the AC outlet (not by unplugging the power cord from
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    to the AC adapter and external power. To test the AC adapter: 1. Remove the battery from the computer. 2. Connect the AC adapter to the computer and an AC outlet. and should be replaced. Contact HP technical support for information on obtaining a replacement AC power adapter. 10 Chapter 3
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    from external 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. Computer battery life varies, depending on power management settings, programs running on the computer
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    . - 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 approximate amount of charge remaining in the
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    the computer upside down on a flat surface, with the battery bay toward you. 2. Insert the battery into the battery bay (1) until it is seated. The battery release latches (2) automatically lock the battery into place. To remove the battery: 1. Turn the computer upside down on a flat surface, with
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    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 off or in use, but it charges faster when the computer is off. Charging may take longer if
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    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. If a low battery level is not resolved, the computer enters a critical battery level, and the battery light begins blinking rapidly. The
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    is available 1. Turn off the computer or initiate Hibernation. 2. Remove the discharged battery, and then insert a charged battery. 3. Turn on the computer. Resolving a low battery level when no power source is available ▲ Initiate Hibernation. - or - Save your work and shut down the computer
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    charges whether the computer is off or in use, but it charges faster when the computer 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
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    do not turn off the computer. 2. Run the computer on battery power until the battery is discharged. The battery light begins to blink when the battery has discharged to a low battery level. When the battery is discharged, the battery light turns off and the computer shuts down. 18 Chapter 4 Using
  • HP 550 | Power Management - Windows XP - Page 23
    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 charge faster if the computer is off. 2. If the
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    . ● If you leave your work, initiate Standby or Hibernation, or shut down the computer. ● Remove the battery from the computer when it is not being used or charged. ● Purchase another battery to extend overall battery operating time. ● Store the battery in a cool, dry location. 20 Chapter 4 Using
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    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 Regulatory
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    , and then turns off the display and computer. Shut down the computer under any of the following conditions: ● When you need to 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 ● When the computer
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    and light locations 1 power button, identifying 1 power light, identifying 2 R readable media 3 S shutdown 22 shutting down 22 Standby exiting 3 initiating 3 storing battery 21 T temperature 21 testing an AC adapter 10 traveling with the computer 21 turning off the computer 22 U unresponsive system
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Power Management
User Guide