HP dv2z - Pavilion - Notebook, User Manual

Page 1: ...Power Management User Guide ...

Page 2: ...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 March 2009 Document Part Number 506144 001 Product notice This user guide describes features that are common to most models Some feature...

Page 3: ...nserting or removing the battery 14 Charging a battery 16 Maximizing battery discharge time 17 Managing low battery levels 18 Identifying low battery levels 18 Resolving a low battery level 19 Resolving a low battery level when external power is available 19 Resolving a low battery level when a charged battery is available 19 Resolving a low battery level when no power source is available 19 Resol...

Page 4: ...Replacing the battery 24 4 Shutting down the computer Index 26 iv ...

Page 5: ...ng to a disc or an external media card NOTE You cannot initiate any type of networking connection or perform any computer functions while the computer is in the Sleep state or in Hibernation Initiating and exiting Sleep The system is set at the factory to initiate Sleep after 10 minutes of inactivity when running on battery power and 25 minutes of inactivity when running on external power Power se...

Page 6: ...nutes 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 Press fn f3 or Click Start click the arrow next to the Lock button and then click Hibernate To exit Hibernation Slide the power switch briefly The power lights turn on and you...

Page 7: ...ns or to change the power plan click the battery meter icon and select an item from the list Different battery meter icons indicate whether the computer is running on battery or external power The icon also displays a message if the battery has reached a critical battery level To hide or display the battery meter icon 1 Right click the taskbar and then click Properties 2 Click the Notification Are...

Page 8: ...plan Click the battery meter icon in the notification area and then select a power plan from the list or Select Start Control Panel System and Maintenance Power Options and then select a power plan from the list Customizing power plans 1 Click the battery meter icon in the notification area and then click More power options or Select Start Control Panel System and Maintenance Power Options 2 Selec...

Page 9: ...ep 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 a password recommended 5 Click Save changes Setting password protection on wakeup 5 ...

Page 10: ...ou are onboard aircraft When you are charging or calibrating a battery When you are installing or modifying system software When you are writing information to a CD or DVD When you connect the computer to external AC power the following events occur The battery begins to charge If the computer is turned on the battery meter icon in the notification area changes appearance When you disconnect exter...

Page 11: ...the computer 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 1 Plug the AC adapter into the power connector 1 on the computer 2 Plug the power cord into the AC...

Page 12: ...t battery release latch 1 to the left c Slide the left battery release latch 2 to the right d Remove the battery 3 2 Connect the AC adapter to the computer and then plug it into an AC outlet 3 Turn on the computer If the power light turns on the AC adapter is functioning properly If the power light remains off the AC adapter is not functioning and should be replaced Contact technical support for i...

Page 13: ...tness use the fn f2 hotkey or reconnect the AC adapter You can keep a battery in the computer or in storage depending on how you work Keeping the battery in the computer whenever the computer is plugged into AC power charges the battery and also protects your work in case of a power outage However a battery in the computer slowly discharges when the computer is off and unplugged from external powe...

Page 14: ...ion Battery Check tool to test battery performance Information 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 HP Power and Battery Learning Center 10 Chapter 3 Using battery power ...

Page 15: ...batteries This computer supports up to 2 batteries One primary lithium ion battery is included with the computer An optional accessory battery can be attached to the bottom of the computer Identifying batteries 11 ...

Page 16: ...onnect the AC adapter to the computer NOTE The computer must be connected to external power for Battery Check to function properly 2 Select Start Help and Support Troubleshooting tools Battery Check Battery Check examines the battery and its cells to see if they are functioning properly and then reports the results of the examination 12 Chapter 3 Using battery power ...

Page 17: ...enter 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 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 a DVD is playing and will increase when a DVD stops playing Displaying...

Page 18: ...er upside down on a flat surface 2 Slide the battery into the battery bay 1 until you hear the battery release latches click 3 Slide the right release latch to the right 2 so that the latch locks the battery in place The left release latch locks into place automatically To remove the battery 1 Turn the computer upside down on a flat surface 2 Slide the right battery release latch 1 to the left 3 S...

Page 19: ...4 Remove the battery 3 Inserting or removing the battery 15 ...

Page 20: ...ollow these recommendations If you are charging a new battery charge it fully before turning on the computer Charge the battery until the battery light turns off NOTE If the computer is on while the battery is charging the battery meter in the notification area may show 100 percent charge before the battery is fully charged Allow the battery to discharge below 5 percent of a full charge through no...

Page 21: ...radually shortens as the battery storage capacity naturally degrades Tips for maximizing battery discharge time Lower the brightness on the display Check the Power saver setting in Power Options Remove the battery from the computer when it is not being used or charged Store the battery in a cool dry location Maximizing battery discharge time 17 ...

Page 22: ...puter 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 computer takes the following actions for a critical battery level If Hibernation is enabled and the computer is on or in the Sleep state the computer initiates Hibernation If Hibernation is disabled and the ...

Page 23: ...ttery level when a charged battery 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 Resolving a low battery level when the computer cannot exit Hibernation When the comp...

Page 24: ...ery light on the computer turns on 3 Leave the computer plugged into external power until the battery is fully charged The battery light on the computer turns off Step 2 Disable Hibernation and Sleep 1 Click the battery meter icon in the notification area and then click More power options or Select Start Control Panel System and Maintenance Power Options 2 Under the current power plan click Change...

Page 25: ...rgy saving timeouts expect the following performance from the system during the discharge 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 the computer on battery ...

Page 26: ...ON Failure to reenable Hibernation after calibration may result in a full battery discharge and information loss if the computer reaches a critical battery level 1 Click the battery meter icon in the notification area and then click More power options or Select Start Control Panel System and Maintenance Power Options 2 Under the current power plan click Change plan settings 3 Reenter the settings ...

Page 27: ...t using Use the fn f1 and fn f2 hotkeys to adjust screen brightness as needed If you leave your work initiate Sleep or Hibernation or shut down the computer Storing a battery CAUTION 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 se...

Page 28: ... and other factors Battery Check notifies you to replace the battery when an internal cell is not charging properly or when the battery storage capacity has reached a weak condition A message refers you to the HP Web site for more information about ordering a replacement battery If the battery is possibly covered by an HP warranty instructions include a warranty ID NOTE To ensure that you always h...

Page 29: ...sed and disconnected from external power for an extended period To shut down the computer NOTE If the computer is in the Sleep state or in Hibernation you must first exit Sleep or Hibernation before shutdown is possible 1 Save your work and close all open programs 2 Click Start and then click the arrow next to the Lock button 3 Click Shut Down If the computer is unresponsive and you are unable to ...

Page 30: ... C calibrating battery 20 charging batteries 16 20 connection external power 7 conservation power 23 critical battery level 18 D drive media 1 H Hibernation exiting 2 initiated during critical battery level 18 initiating 2 L low battery level 18 O operating system 25 P power connecting 7 conserving 23 R readable media 1 S shutdown 25 shutting down 25 Sleep exiting 1 initiating 1 storing battery 23...

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