Compaq nx6320 Power
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- Compaq nx6320 | Power - Page 1
Power Document Part Number: 404162-001 March 2006 This guide explains how the computer uses power. - Compaq nx6320 | Power - Page 2
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 media 3-5 4 Default power settings - Compaq nx6320 | Power - Page 3
6 Processor performance controls 7 Battery packs Identifying battery packs 7-2 Inserting or removing the primary battery pack 7-3 Charging multiple battery packs 7-5 Charging a battery pack 7-6 Monitoring the charge of a battery pack 7-7 Managing low-battery conditions 7-9 Identifying low - Compaq nx6320 | Power - Page 4
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 - Compaq nx6320 | Power - Page 5
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 - Compaq nx6320 | Power - Page 6
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 - Compaq nx6320 | Power - Page 7
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 supplied through ■ AC adapter included with - Compaq nx6320 | Power - Page 8
cord from the computer). ■ If provided with a 3-pin attachment plug on your power cord, plug the cord into a grounded (earthed) 3-pin outlet. Do not disable the power cord grounding pin; for example, by attaching a 2-pin adapter. The grounding pin is an important safety feature. It is possible to - Compaq nx6320 | Power - Page 9
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 capacity - Compaq nx6320 | Power - Page 10
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 - Compaq nx6320 | Power - Page 11
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 are turned off. When you restore from hibernation, your work returns to the screen where you left off. If a power-on password has been - Compaq nx6320 | Power - Page 12
file on the hard drive, and then shuts down the computer. When the computer is in hibernation, it uses much less power than when it is in standby. When the computer will be unused and disconnected from external power for an extended period, shut down the computer and remove the battery pack to - Compaq nx6320 | Power - Page 13
supply is unavailable Be sure that hibernation remains enabled, especially 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 - Compaq nx6320 | Power - Page 14
When using wireless communication, or 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 a CD, a DVD, or an external media card. To prevent - Compaq nx6320 | Power - Page 15
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 - Compaq nx6320 | Power - Page 16
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 "Using emergency shutdown procedures." Turn off the display while the power is on. Close the computer. Closing the computer activates the - Compaq nx6320 | Power - Page 17
normal Windows shutdown procedures, try the following 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 - Compaq nx6320 | Power - Page 18
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 to initiate standby. No action required. ■ If the computer is running on battery - Compaq nx6320 | Power - Page 19
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 - Compaq nx6320 | Power - Page 20
returns to the screen. *If you have been registered to a network domain, the button you click will be called Shut Down instead of Turn Off Computer. †If the system initiated hibernation because of a critical low-battery condition, connect external power or insert a charged battery pack before you - Compaq nx6320 | Power - Page 21
options You can change many default power settings in Windows Control 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 - Compaq nx6320 | Power - Page 22
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 - Compaq nx6320 | Power - Page 23
, 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 - Compaq nx6320 | Power - Page 24
obstruct vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as a printer, or a 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 - Compaq nx6320 | Power - Page 25
Processor performance Processor performance while on external power while on battery power Home/Office Desk Always runs at the highest performance state. Performance state is determined based on CPU demand. Portable/Laptop (default)* Performance state is Performance state is determined - Compaq nx6320 | Power - Page 26
runs on battery power. When the computer is plugged into external AC power, the computer runs on AC power. If the computer contains a charged battery pack and is running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is disconnected - Compaq nx6320 | Power - Page 27
supports up to 2 battery packs: ■ One primary lithium-ion battery pack is included with the computer. ■ An optional accessory battery pack that can be attached to the bottom of the computer. If the computer will be unused and disconnected from external power for more than 2 weeks, remove the battery - Compaq nx6320 | Power - Page 28
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 - Compaq nx6320 | Power - Page 29
packs To remove a primary battery 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 - Compaq nx6320 | Power - Page 30
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 issues, only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or an - Compaq nx6320 | Power - Page 31
pack may damage aircraft electronic systems. ■ If you are charging a new battery pack: ❏ Charge the battery pack while the computer is plugged into external power through the AC adapter. ❏ When you charge the battery pack, charge it fully before turning on the computer. ■ If you are charging an - Compaq nx6320 | 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 - Compaq nx6320 | Power - Page 33
to provide power at the current level. For example, the time remaining will decrease when you start playing a DVD and will increase when you stop playing a DVD. When a battery pack is charging, a lightning bolt icon may be superimposed over the battery icon on the Power Meter screen. 7-8 Power - Compaq nx6320 | Power - Page 34
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 - Compaq nx6320 | Power - Page 35
, 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 nx6320 | Power - Page 36
work and shut down the computer. 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 - Compaq nx6320 | 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 nx6320 | 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 nx6320 | 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 nx6320 | 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 nx6320 | Power - Page 41
as you need 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 - Compaq nx6320 | 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 nx6320 | Power - Page 43
of time. If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery pack and store it separately. To prolong the charge of a stored battery pack, place it in a cool, dry place. Calibrate a battery pack before using it if it has been stored for one month - Compaq nx6320 | Power - Page 44
1-3 battery pack battery power vs. AC power 7-1 calibrating 7-12 charging 7-5, 7-12 conserving power 7-16 disposing of 7-18 identifying 7-2 inserting 7-3 low-battery conditions 7-9 monitoring charge 7-7 recharging 7-15 removing 7-3 storing 7-18 using 7-1 battery pack release latch 7-4 button, power - Compaq nx6320 | Power - Page 45
5-1 sources 2-1 power button 1-3 power light 1-2 Power Meter icon 5-2 power settings 4-1 power supply 3-4 processor performance controls 6-1 R readable media 3-5 release latch, battery pack 7-4 reset (emergency shutdown procedures) 4-3 S screen saver 7-17 security passwords 5-3 shutdown procedures - Compaq nx6320 | Power - Page 46
and Windows are U.S. registered trademarks of Microsoft Corporation. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The information contained herein is subject to change without notice. The only warranties for HP products and services are
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Power
Document Part Number: 404162-001
March 2006
This guide explains how the computer uses power.