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Power Management

User Guide

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Содержание Presario V6700 - Notebook PC

Страница 1: ...Power Management User Guide ...

Страница 2: ...nse 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 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 January 2008 D...

Страница 3: ...procedures 9 Initiating or resuming from standby 10 Initiating or restoring from hibernation 11 5 Power options Accessing Power Options Properties 12 Displaying the Power Meter icon 13 Setting or changing a power scheme 14 Setting a security prompt 15 6 Processor performance controls 7 Batteries Inserting or removing a battery 18 Charging a battery 19 Monitoring the charge of the battery 19 Obtain...

Страница 4: ... available 22 When the computer cannot restore from hibernation 22 Calibrating a battery 23 When to calibrate 23 How to calibrate 23 Step 1 Charging the battery 23 Step 2 Discharging the battery 24 Step 3 Recharging the battery 25 Conserving battery power 26 Conserving power as you work 26 Selecting power conservation settings 26 Storing a battery 27 Disposing of a used battery 28 Index 29 iv ...

Страница 5: ... computer is on press the button to initiate hibernation 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 Microsoft Windows shutdown procedures cannot be used press and hold the power button for at least 5 seconds to turn off the computer 2 Power light...

Страница 6: ...ed If the computer is not plugged into an external power source the light stays off until the battery reaches a low battery condition 5 Internal display switch select models only Turns off the display and initiates standby if the display is closed while the computer is on The 2 power lights display the same information The light on the power button is visible only when the computer is open The lig...

Страница 7: ...ne of the following devices AC adapter included with the computer Optional docking device or expansion product Optional power adapter Charge or calibrate a battery in the computer External power supplied through one of the following devices AC adapter included with the computer Optional docking device or expansion product Optional power adapter WARNING Do not charge the computer battery while you ...

Страница 8: ...uter If provided with a 3 pin attachment plug on the 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 To connect the computer to external AC power follow these steps 1 Plug the AC adapter into the power connector 1 on the computer 2 Plug the power cord ...

Страница 9: ...xtended 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 cleared When the computer is in standby the power lights blink When you resume from standby your work returns to the screen where you left off CAUTION To reduce the risk of in...

Страница 10: ...t off If a power on password has been set the password must be entered to restore from hibernation CAUTION To reduce the risk of information loss save your work before initiating hibernation You can disable hibernation However if hibernation is disabled and the system reaches a low battery condition the system will not automatically save your work while power is on or when standby has been initiat...

Страница 11: ...e 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 to extend the life of the battery When a reliable power supply is unavailable Be sure that hibernation remains enabled especiall...

Страница 12: ...munication and media Note the following guidelines If the computer is in standby or hibernation you cannot initiate a Bluetooth or WLAN transmission Accidental initiation of standby or hibernation during playback of a medium such as a CD a DVD or an external media card can affect playback Playback may be interrupted You may see the following warning message Putting the computer into hibernation or...

Страница 13: ...le the power is on Close the computer Closing the computer activates the display switch which initiates standby If you have been registered to a network domain the button you click is called Shut Down instead of Turn Off Computer Using emergency shutdown procedures CAUTION Emergency shutdown procedures result in the loss of unsaved information If the computer is unresponsive and you are unable to ...

Страница 14: ...m initiates standby after 10 minutes of computer inactivity default setting If the computer is plugged into external power the system initiates standby after 25 minutes of computer inactivity default setting NOTE Power settings and timeouts can be changed using Power Options in Windows Control Panel The power lights blink The screen clears Resume from user initiated or system initiated standby Pre...

Страница 15: ...abled No action is required A computer running on battery power initiates hibernation according to the following conditions After 30 minutes of computer inactivity When the battery reaches a critical low battery condition NOTE Power settings and timeouts can be changed using Power Options in Windows Control Panel The power lights turn off The screen clears Restore from user initiated or system ini...

Страница 16: ...wer condition or you can change the factory settings for the power button Accessing Power Options Properties To access Power Options Properties Right click the Power Meter icon in the notification area at the far right of the taskbar and then click Adjust Power Properties or Select Start Control Panel Performance and Maintenance Power Options 12 Chapter 5 Power options ...

Страница 17: ...st Power Properties 2 Click the Advanced tab 3 Clear the Always show icon on the taskbar check box 4 Click Apply and then click OK To show the Power Meter icon in the notification area follow these steps 1 Select Start Control Panel Performance and Maintenance Power Options 2 Click the Advanced tab 3 Select the Always show icon on the taskbar check box 4 Click Apply and then click OK NOTE If you c...

Страница 18: ...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 then click Adjust Power Properties 2 Click the Power Schemes tab 3 Select the power scheme you want to modify and adjust options in the lists on the screen 4 Click...

Страница 19: ... resumes from standby or restores from hibernation To set a password prompt 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 Setting a security prompt 15 ...

Страница 20: ... processor performance controls Select Start Control Panel Performance and Maintenance Power Options The power scheme you select determines how the processor performs when the computer is plugged into external power or is running on battery power Each power scheme for external power or battery power sets a specific processor state After a power scheme has been set no other intervention is required...

Страница 21: ...dapter is disconnected from the computer NOTE The display brightness is decreased to save battery life when you disconnect AC power To increase display brightness use the fn f8 hotkey or reconnect the AC adapter You can keep a battery in the computer or remove and store it depending on how you work Keeping the battery in the computer whenever the computer is plugged into external AC power charges ...

Страница 22: ...lly locks the battery into place To remove a battery CAUTION Removing a battery that is the sole power source can cause loss of information To prevent loss of information initiate hibernation or shut down the computer through Windows before removing the battery 1 Turn the computer upside down on a flat surface with the battery bay away from you 2 Slide the battery release latch 1 to release the ba...

Страница 23: ...le the computer is off Charging may be delayed if a battery is new has been unused for 2 weeks or more or is much warmer or cooler than room temperature The battery light displays charge status On The battery is charging Blinking The battery has reached a low battery condition and is not charging Blinking rapidly The battery has reached a critical low battery condition and is not charging Off The ...

Страница 24: ...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 battery The time indicates the approximate running time remaining on the battery if the battery continues to provide power at the current level For example the time remaining will decrease when you start playing a DVD and will increase when...

Страница 25: ...n amber color Critical low battery condition If a low battery condition is not resolved the computer enters a critical low battery condition and the battery light blinks rapidly The computer resolves a critical low battery condition in the following ways If hibernation is enabled and the computer is on or in standby the computer initiates hibernation If hibernation is disabled and the computer is ...

Страница 26: ...vailable When a charged battery is available you can resolve a low battery condition by following these steps 1 Turn off the computer or initiate hibernation 2 Insert a charged battery 3 Turn on the computer When no power source is available When no power source is available you can resolve a low battery condition by following either of these steps Initiate hibernation or Save your work and shut d...

Страница 27: ...fully discharging and then fully recharging Step 1 Charging the battery A battery can charge whether the computer is off or in use but it will charge faster when the computer is off WARNING Do not charge the computer battery while you are onboard aircraft To charge the battery 1 Insert the battery into the computer 2 Connect the computer to an AC adapter optional power adapter or optional docking ...

Страница 28: ...he 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 fully discharge a battery 1 Right click the Power Meter icon in the notification area at the far right of the taskbar and then click Adjust Power Properties or Select Start Control Panel Performance and Maintenance Power Options 2 Reco...

Страница 29: ...s fully charged and the battery light turns 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 and the Running on batteries column 5 Click OK CAUTION After calibrating the battery reenable hibernation Failure to reenable hibernation may result in a complete battery discharge and potential inform...

Страница 30: ...fn f7 hotkeys to adjust screen brightness 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 If you leave your work initiate standby or hibernation or shut down the computer Selecting power conservation settings Select a short wait for the...

Страница 31: ...To prevent damage to a battery 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 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 Storing a battery 27 ...

Страница 32: ... 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 Safety and Environmental Notices for battery disposal information 28 Chapter 7 Batteries ...

Страница 33: ...w battery condition 21 initiating 11 restoring from 11 when to use 6 hibernation file 6 L lights battery 2 power 1 low battery condition 21 O operating system 9 optional power adapter 3 23 P passwords security 15 power connecting 4 conserving 26 control and light locations 1 schemes 14 setting preferences 12 sources 3 power adapter 3 power button identifying 1 power light identifying 1 Power Meter...

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