Compaq nc6320 Power

Compaq nc6320 - Notebook PC Manual

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  • Compaq nc6320 | Power - Page 1
    Power Document Part Number: 404162-001 March 2006 This guide explains how the computer uses power.
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    2 Power sources Connecting the AC adapter 2-2 3 Standby and hibernation Standby 3-1 Hibernation 3-2 Initiating standby, hibernation or shutdown 3-3 When you leave your work 3-3 When a reliable power supply is unavailable 3-4 When using wireless communication, or readable or writable drive
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    Managing low-battery conditions 7-9 Identifying low-battery conditions 7-9 Resolving low-battery conditions 7-10 Calibrating a battery pack 7-12 When to calibrate 7-12 How to calibrate 7-12 Conserving battery power 7-16 Conserving power as you work 7-16 Selecting power conservation settings
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    1 Power control and light locations The following illustration and table identify and describe the power control and light locations. ✎ Your computer may look slightly different from the illustration in this chapter. Power 1-1
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    if the display is closed while the computer is on. On: The computer is on. Blinking: The computer is in standby. Blinking rapidly: An HP Smart AC Adapter (hereafter referred to as AC adapter) with a higher power rating should be connected. Off: The computer is off or in hibernation. (Continued
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    computer has stopped responding and Microsoft® Windows® shutdown procedures cannot be used, press and hold the power button for at least 5 seconds to turn off the computer. 4 fn+f3 Initiates standby. 5 Battery light Amber: A battery pack is charging. Green: A battery pack is close to full charge
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    Install or modify system software or write to a CD or DVD Recommended power source ■ Charged battery pack in the computer ■ External power supplied through one of the following devices: ❐ AC adapter included with the computer ❐ Optional docking device ❐ Optional power adapter External power
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    safety feature. It is possible to receive an electric shock from a system that is not properly grounded. 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
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    may be displayed after turning on the computer: ■ "Smart AC adapter power output is too low for this computer." Clicking the message will display the following additional message: "The output power of the HP Smart AC Adapter connected to your computer is insufficient. Please connect a higher
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    battery discharge, do not leave the computer in standby for extended periods. Connect the computer to an external power source. Standby reduces power to system components that are not in use. When standby is initiated, your work is stored in random access memory (RAM), and then the screen is
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    remove memory modules. ■ Do not insert or remove hard drives or optical drives. ■ Do not connect or disconnect external devices. ■ Do not insert or remove an external media card. Hibernation saves your work to a hibernation file on the hard drive, and then shuts down the computer. The power lights
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    in random access memory (RAM), and then the screen is cleared. When the computer is in standby, it uses less power than when it is on. Your work returns instantly to the screen when you resume from standby. Initiating hibernation saves your work to a hibernation file on the hard drive, and then
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    if you are operating the computer on battery power and do not have access to an external power supply. If the battery pack fails, hibernation saves your work to a hibernation file and shuts down the computer. If you pause your work when the power supply is uncertain, take one of the following
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    readable or writable drive media Ä CAUTION: To prevent possible audio and video degradation, or loss of audio or video playback functionality, do not initiate standby or hibernation while reading or writing to No. ❏ You may need to restart the media to resume audio and video playback. Power 3-5
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    section explains the default standby, hibernation, and shutdown procedures. For information about changing the function of some of the power features on the computer, refer to "Power options." The controls and lights discussed in this chapter are illustrated in "Power control and light locations
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    or display on or off Task Procedure Result Turn on the computer. Press the power button. ■ The power lights are turned on. ✎ If the power lights blink rapidly, an AC adapter with a higher power rating should be connected. ■ The operating system loads. Shut down the computer. 1. Save your
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    emergency procedures in the sequence provided: ■ Press ctrl+alt+delete. Then, select Shut Down > Turn Off. ■ Press and hold the power button for at least 5 seconds. ■ Disconnect the computer from external power and remove the battery pack. For more information about removing and storing the
  • Compaq nc6320 | Power - Page 18
    With the computer on, press fn+f3. ■ Select Start > Turn Off Computer > Stand by.* In Windows XP Professional, if Stand by is not displayed: 1. Click the down arrow. 2. Select Stand by from the list. 3. Click OK. ■ Close the computer. ■ The power lights blink. ■ The screen clears. Allow the system
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    on battery power, the system initiates hibernation ■ After 30 minutes of computer inactivity. ■ When the battery pack(s) reach a critical low-battery condition. Power settings and timeouts can be changed using Power Options in Windows Control Panel. ■ The power lights are turned off. ■ The screen
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    Default power settings Task Restore from user-initiated or system-initiated hibernation. Procedure Press the power button.† Result ■ The power lights are turned on. ■ Your work returns to the screen. *If you have been registered to a network domain, the button you click will be called Shut Down
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    Panel. For example, you can set an audio alert to warn you when the battery pack reaches a low-power condition, or you can change the default settings for the power button. By default, when the computer is on: ■ Pressing fn+f3, called the "sleep button" by the operating system, initiates standby
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    changes shape to indicate whether the computer is running on battery or external power. To remove the Power Meter icon from the notification area: 1. Right-click the Power Meter icon in the notification area, and then click Adjust Power Properties. 2. Click the Advanced tab. 3. Clear the Always show
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    , depending on whether the computer is running on battery or external power. You can also set a power scheme that initiates standby or turns off the display or hard drive after a time interval that you specify. To set a power scheme: 1. Right-click the Power Meter icon in the notification area, and
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    the computer may operate at a higher speed on external power than on battery power. If the battery power is extremely low, the computer may attempt to conserve power by reducing processor speed and graphics performance. Windows XP enables you to manage the processor performance controls by selecting
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    CPU determined based on CPU demand. demand. Max Battery Performance state is determined based on CPU demand. CPU performance is lower when the Max Battery setting is selected; however, battery life will be extended. *It is recommended that you use the Portable/Laptop power scheme. 6-2 Power
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    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. ✎ The display brightness is automatically decreased to save battery life when you disconnect AC power. To increase display brightness, use
  • Compaq nc6320 | Power - Page 27
    your work, refer to "Standby and hibernation." Å WARNING: To reduce potential safety issues, only the battery pack provided with the computer, a replacement battery pack provided by HP, or a compatible battery pack purchased as an accessory from HP should be used with the computer. 7-2 Power
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    Ä CAUTION: To prevent loss of information when removing a battery pack that is the sole power source, initiate hibernation or turn off the computer before removing the battery pack. ✎ Battery packs vary in appearance by model. To insert a primary battery pack: 1. Turn the computer upside down on
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    pack: 1. Turn the computer upside down on a flat surface, with the battery bay toward you. 2. Slide the right-hand battery pack release latch 1 to the right. 3. Slide and hold the left-hand battery pack release latch 2 to the right. 4. Slide the battery pack 3 out of the computer. 7-4 Power
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    packs are fully charged. The primary battery pack charges when it is inserted into the computer and the computer is plugged into external power. External power can be supplied through the following: ■ AC adapter ■ Optional docking device ■ Optional power adapter Å WARNING: To reduce potential safety
  • Compaq nc6320 | Power - Page 31
    , charge it fully before turning on the computer. A battery pack inserted in the computer charges whenever the computer is plugged into external power through an AC adapter, an optional docking device, or an optional power adapter. A battery pack inserted in the computer charges whether the computer
  • Compaq nc6320 | Power - Page 32
    before charging it. ■ When you charge a battery pack, charge it fully before turning on the computer. ■ If a battery pack has been unused for one month or more, calibrate the battery pack instead of simply charging it. For calibration instructions, refer to "Calibrating a battery pack." Power 7-7
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    packs Displaying charge information on the screen This section explains how to access and interpret battery charge indicators. Viewing charge displays To view information about the status of any battery pack in the computer: ■ Double-click the Power Meter icon in the notification area, at the
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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 conditions This section explains how to identify low-battery and critical low-battery conditions. Low-battery condition When a battery pack that is the
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    , do not restore power until the power lights are turned off. When external power is available To resolve a low-battery condition when external power is available, connect one of the following: ■ AC adapter ■ Optional docking device ■ Optional power adapter When a charged battery pack is available
  • Compaq nc6320 | Power - Page 36
    . When the computer cannot restore from hibernation To resolve a low-battery condition when the computer lacks the power to restore from hibernation: 1. Insert a charged battery pack or plug the computer into external power. 2. Restore from hibernation by pressing the power button. Power 7-11
  • Compaq nc6320 | Power - Page 37
    recharging. Step 1: Charging the battery pack A battery pack can charge whether the computer is off or in use, but it will charge faster when the computer is off. Å WARNING: Do not charge the computer battery pack on board aircraft. Charging the battery pack may damage aircraft systems. 7-12 Power
  • Compaq nc6320 | Power - Page 38
    computer to an AC adapter, optional power adapter, or optional docking device, and then plug the adapter or device into external power. The battery light on the computer is turned on. 3. Leave the computer plugged into external power until the battery pack is fully charged. The battery light on the
  • Compaq nc6320 | Power - Page 39
    the discharge process: ❏ The monitor will not turn off automatically. ❏ Hard drive speed will not decrease automatically while the computer is idle. ❏ System-initiated standby will not occur. To fully discharge a battery pack: 1. Right-click the Power Meter icon in the notification area, at the far
  • Compaq nc6320 | Power - Page 40
    if the computer is off. 2. If the computer is off, turn it on when the battery pack is fully charged and the battery light is turned off. 3. Select Start > Control Panel > Performance and Maintenance > Power Options. 4. Reenter the settings that you recorded for the items in the Plugged in column
  • Compaq nc6320 | Power - Page 41
    it. ■ Use optional powered speakers instead of the internal speakers, or adjust system volume as you need it. ■ Press fn+f4 to switch the screen image from the computer display to an external display device or turn off support for the device in Windows. ■ If you leave your work, initiate standby or
  • Compaq nc6320 | Power - Page 42
    Battery packs Selecting power conservation settings To set the computer to conserve power: ■ Select a short wait for the screen saver, and select a screen saver with minimal graphics and motion. To access screen saver settings: Select Start > Control Panel > Appearance and Themes > Choose a screen
  • Compaq nc6320 | Power - Page 43
    provided by HP, or a compatible battery pack purchased as an accessory from HP should be used with the computer. Ä CAUTION: To prevent damage to a battery pack, do not expose it to high temperatures for extended periods of time. If a computer will be unused and unplugged from external power for more
  • Compaq nc6320 | Power - Page 44
    7-4 button, power 1-3 C calibration, battery 7-12 charging battery packs 7-5 computer display, turning on or off 4-2 conservation, power 7-16 critical low-battery condition 7-9 D default power settings 4-1 display switch, identifying 1-2 drive media 3-5 E emergency shutdown procedures 4-3 F fn+f3
  • Compaq nc6320 | Power - Page 45
    , fn+f3 1-3, 4-4, 4-5 HP Smart AC Adapter. See AC adapter L lights, power 1-2 low-battery condition 7-9 O operating system 4-2 optional power adapter 2-1, 7-5 P passwords, security 5-3 power conserving 7-16 control and light locations 1-1 schemes 5-3 setting preferences 5-1 sources 2-1 power button
  • Compaq nc6320 | Power - Page 46
    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. Power First Edition March 2006 Document Part Number: 404162
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Power
Document Part Number: 404162-001
March 2006
This guide explains how the computer uses power.