HP Nx9420 Power Management - Windows Vista

HP Nx9420 - Compaq Business Notebook Manual

HP Nx9420 manual content summary:

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    Power Management User Guide
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    in the express warranty statements accompanying such 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: June 2007 Document Part Number: 443985-001
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    Product notice This user guide describes features that are common to most models. Some features may not be available on your computer. iii
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    iv Product notice
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    charge the battery 16 Step 2: Disable Hibernation and Sleep 16 Step 3: Discharge the battery 17 Step 4: Fully recharge the battery 18 Step 5: Reenable Hibernation and Sleep 18 Conserving battery power ...19 Storing a battery ...20 Disposing of a used battery ...21 5 Using external AC power
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    Connecting the AC adapter ...23 Index ...24 vi
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    look slightly different from the illustration in this chapter. Component (1) Power button Description ● When the computer is off, press the button 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
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    ● 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 Sleep. ● On: A battery is charging. ● Green: A battery is close to full charge capacity. ● Blinking amber: A battery that is the
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    ● 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 Power button. ● Press and hold the power button for at least 5 seconds. ● Disconnect the computer from external power and remove the battery
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    the Sleep state for an extended period or if the battery reaches a critical battery level while in the Sleep state, the computer initiates Hibernation. When you initiate Hibernation, your work is saved to a hibernation file on the hard drive and the computer turns off. CAUTION: To prevent possible
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    hours) of inactivity when running on battery power, 1,080 minutes (18 hours) of inactivity when running on external power, or when the battery reaches a critical battery level. Power settings and timeouts can be changed using Power Options in Windows Control Panel. To initiate Hibernation: 1. Click
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    access power settings, view remaining battery charge, and select a different power plan. ● To display the percentage of remaining battery charge and the current power plan, move the pointer over the battery meter icon. ● To access Power Options, or to change the power plan, click the battery meter
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    system settings that manages how the computer uses power. Power plans can help you conserve power or maximize performance. You can change power plan settings or create your own power plan. Viewing the current power plan ▲ Move the pointer over the battery meter icon in the notification area, at the
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    to prompt for a password when the computer exits Sleep or Hibernation, follow these steps: 1. Select Start > Control Panel > System and Maintenance > Power Options. 2. In the left pane, click Require a password on wakeup. 3. Click Change Settings that are currently unavailable. 4. Click Require
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    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 display brightness is decreased to save battery life when you
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    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 > Learning Center > Battery information. 10 Chapter 4 Using battery power
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    right of the taskbar. - or - View the estimated number of minutes of battery charge remaining in Windows Mobility Center: ▲ Click the battery meter icon, and then click Windows Mobility Center. - or - Select Start > Control Panel > Mobile PC > Windows Mobility Center. The time shown indicates the
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    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
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    Charging a battery WARNING! 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
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    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. If a low battery level is not
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    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 battery is available 1. Turn off the computer
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    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. NOTE: The battery charges whether the computer is off or in use
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    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
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    : 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 charge faster if the computer is off
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    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
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    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 has been stored for one month or more
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    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
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    computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. ● Approved AC adapter ● Optional docking device or expansion product Connect the computer to external AC power under any of the following conditions: WARNING! Do not charge the computer battery while you
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    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
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    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
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Power Management
User Guide