HP CQ50 User's Manual
Contents
1. Disconnect external devices that are not plugged into an external power source when you are not using them Stop disable or remove any external media cards that you are not using Use the fn f7 and fn f8 hotkeys to adjust screen brightness as needed If you leave your work initiate Sleep or Hibernation or shut down the computer Storing a battery A 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 separately To prolong the charge of a stored battery place it in a cool dry place amp NOTE A stored battery should be checked every 6 months If the capacity is less than 50 percent recharge the battery before returning it to storage Calibrate a battery before using it if it has been stored for one month or more Disposing of a used battery A WARNING To reduce the 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 Regulatory Safety and Environmental Notices for battery disposal information Conserving battery power 17 3 Using external AC power External AC power is supplied throug2. Charging may take longer if a battery is new has been unused for 2 weeks or more or is much warmer or cooler than room temperature To prolong battery life and optimize the accuracy of battery charge displays follow these recommendations e Ifyou are charging a new battery charge it fully before turning on the computer e 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 e _ Allow the battery to discharge below 5 percent of a full charge through normal use before charging it e _ If the battery has been unused for one month or more calibrate the battery instead of simply charging it The battery light displays charge status e On The battery is charging e Blinking The battery has reached a low battery level or critical battery level and is not charging e Off The battery is fully charged in use or not installed Charging a battery 11 Managing low battery levels The information in this section describes the alerts and system responses set at the factory Some low battery alerts and system responses 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 b
3. Put the computer to sleep settings listed in the On battery column so that you can reset them after the calibration Change the Turn off the display and Put the computer to sleep settings to Never Click Change advanced power settings Click the plus sign next to Sleep and then click the plus sign next to Hibernate after Record the On battery setting under Hibernate after so that you can reset it after the calibration Change the On battery setting to Never Click OK Click Save changes 14 Chapter 2 Using battery power Step 3 Discharge the battery The computer must remain on while the battery is being discharged The battery can discharge whether or not you are using the computer but the battery will discharge faster while you are using it e If you plan to leave the computer unattended during the discharge save your information before beginning the discharge procedure e f you use the computer occasionally during the discharge procedure and have set energy 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 power until the battery is discharged The battery light be
4. 2 The system is set at the factory to initiate Hibernation after 120 minutes 2 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 A Press fn f5 or Click Start click the arrow next to the Lock button and then click Hibernate To exit Hibernation A Press the power button briefly The power lights turn on and your work returns to the screen where you stopped working NOTE Ifyou have set a password to be required on wakeup you must enter your Windows password before your work will return to the screen Chapter 1 Setting power options Using the battery meter The battery meter is located in the notification area at the far right of the taskbar The battery meter allows you to quickly access power settings view remaining battery charge and select a different power plan e _ Todisplay the percentage of remaining battery charge and the current power plan move the pointer over the battery meter icon e To access Power Options 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 ba
5. Power Management User Guide Copyright 2008 Hewlett Packard Product notice Development Company L P This user guide describes features that are Windows is a U S registered trademark of common to most models Some features Microsoft Corporation may not be available on your computer 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 Second Edition July 2008 Document Part Number 482528 002 Table of contents 1 Setting power options Using Power saving States z sand da Erin ara ran aa gern lagen 1 Initiating and exiting Sleep au een ke ln 1 Initiating and exiting Hibernation 44ss44244440ennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenn ann 2 Using the battery meter ae ee anne 3 Using power plans enna aaa iaaa aaa a aa d eaaa adaa aaa iadaa na a Adn a aaa aaa adi 4 Viewing the current power plan uusssussssssnnsennnnnnnnnnnennnnnnnnnnnnnnennnnnn nenn nnnnnennnnnnnn 4 Selecting a different power plan 4444444444444444nnennnnnnnnnnnnnnnnennennnnnnnnnnnnnnnnnnnnnnnn en 4 Customizing power plans een na ais ued rennen meer a
6. attery light blinks If a low battery level is not resolved the computer enters a critical battery level and the battery light continues to blink The computer takes the following actions for a critical battery level e If Hibernation is enabled and the computer is on or in the Sleep state the computer initiates Hibernation e If Hibernation is disabled and the computer is on or in the Sleep state the computer remains briefly in the Sleep state and then shuts down and loses any unsaved information 12 Chapter 2 Using battery power Resolving a low battery level A CAUTION To reduce the risk of losing information when the computer reaches a critical battery level and has initiated Hibernation do not restore power until the power lights turn off Resolving a low battery level when external power is available A Connect one of the following devices e AC adapter e Optional power adapter Resolving a low battery 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 A Initiate Hibernation or Save your work and shut down the computer Resolving a low battery level when the computer cannot exit Hibernation When the computer lacks sufficient power to exit Hibernation follow these steps 1 Insert a charged battery or plug the
7. ck Change advanced power settings and make your changes 4 Chapter 1 Setting power options Setting password protection on wakeup To set the computer to prompt for a password when the computer exits Sleep or Hibernation follow these steps 1 2 3 4 5 Select Start gt Control Panel gt System and Maintenance gt Power Options In the left pane click Require a password on wakeup Click Change Settings that are currently unavailable Click Require a password recommended Click Save changes Setting password protection on wakeup 5 2 Using battery power 6 When a charged battery is in the computer and the computer is not plugged into external power the computer 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 and is running on external AC power supplied through the AC adapter the computer switches to battery power ifthe AC adapter 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 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 sl
8. computer into external power 2 Exit Hibernation by briefly pressing power button Managing low battery levels 13 Calibrating a battery Calibrate a battery under the following conditions When battery charge displays seem inaccurate When you observe a significant change in battery run time Even if a battery is heavily used it should not need to be calibrated more than once a month It is also not necessary to calibrate a new battery Step 1 Fully charge the battery A WARNING Do not charge the computer battery while you are onboard aircraft amp NOTE The battery charges whether the computer is off or in use but it charges faster when the computer is off To fully charge the battery 1 2 Insert the battery into the computer 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 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 amp Se SS aS OS Click the battery meter icon in the notification area and then click More power options or Select Start gt Control Panel gt System and Maintenance gt Power Options Under the current power plan click Change plan settings Record the Turn off the display and
9. e shown indicates the approximate running time remaining on the battery ifthe 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 8 Chapter 2 Using battery power Inserting or removing the battery A 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 To insert the battery 1 Turn the computer upside down on a flat surface 2 Insert the battery into the battery bay 1 and rotate it downward until it is seated 2 The battery release latch 3 automatically locks the battery into place To remove the battery 1 Turn the computer upside down on a flat surface 2 Slide the battery release latch 1 to release the battery Inserting or removing the battery 9 3 Pivot the battery 2 upward and remove it from the computer 3 10 Chapter 2 Using battery power Charging a battery A 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 whether the computer is off or in use but it charges faster when the computer is off
10. ed 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 adapter 2 3 Plug the other end of the power cord into an AC outlet 3 Po gt om Connecting the AC adapter 19 4 Shutting down the computer A CAUTION Unsaved information will be lost when the computer is shut down The Shut Down command closes all open programs including the operating system and then turns off the display and computer Shut down the computer under any of the following conditions e When you need to replace the battery or access components inside the computer e When you are connecting an external hardware device that does not connect to a USB port e When the computer will be unused and disconnected from external power for an extended period To shut down the computer amp NOTE Ifthe 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 use the preceding shutdown procedures try the following emergency procedur
11. es in the sequence provided Press ctrl alt delete and then click the Power button e _ Press the power button and hold for at least 5 seconds e _ Disconnect the computer from external power and remove the battery 20 Chapter 4 Shutting down the computer Index A AC adapter connecting 19 B battery calibrating 14 charging 11 14 conserving power 17 disposing 17 inserting 9 low battery levels 12 recharging 16 removing 9 storing 17 battery light 11 12 battery power 6 battery release latch 9 battery temperature 17 Cc calibrating battery 14 charging batteries 11 14 connection external power 19 conservation power 17 critical battery level 12 D drive media 1 H Hibernation exiting 2 initiated during critical battery level 12 initiating 2 L low battery level 12 0 operating system 20 P power connecting 19 conserving 17 R readable media 1 S shutdown 20 shutting down 20 Sleep exiting 1 initiating 1 storing battery 17 T temperature 17 traveling with the computer 17 turning off the computer 20 U unresponsive system 20 W writable media 1 Index 21
12. gins to blink when the battery has discharged to a low battery level When the battery is discharged the battery light turns off and the computer shuts down Calibrating a battery 15 Step 4 Fully recharge the battery To recharge the battery 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 If the computer is off turn it on when the battery is fully charged and the battery light has turned off Step 5 Reenable Hibernation and Sleep A CAUTION 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 gt Control Panel gt System and Maintenance gt Power Options Under the current power plan click Change plan settings Click Restore default settings for this plan and then follow the on screen instructions 16 Chapter2 Using battery power 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
13. h an approved AC adapter A WARNING To reduce potential safety issues use only the AC adapter provided with the computer a replacement AC adapter provided by HP or a compatible AC adapter purchased from HP Connect the computer to external AC power under any of the following conditions A WARNING Do not charge the computer battery while you are onboard aircraft e When you are charging or calibrating a battery e When you are installing or modifying system software e When you are writing information to a CD or DVD When you connect the computer to external AC power the following events occur e The battery begins to charge e Ifthe computer is turned on the battery meter icon in the notification area changes appearance When you disconnect external AC power the following events occur e The computer switches to battery power e The display brightness is automatically decreased to save battery life To increase display brightness press the fn f8 hotkey or reconnect the AC adapter 18 Chapter 3 Using external AC power Connecting the AC adapter A WARNING To reduce the risk of electric shock or damage to the equipment Plug the power cord into an AC outlet that is easily accessible at all times Disconnect power from the computer by unplugging the power cord from the AC outlet not by unplugging the power cord from the computer If provided with a 3 pin attachment plug on the power cord plug the cord into a ground
14. n nen hehe engeren 4 Setting password protection on wakeup 444444444440Hnnanennnnnnnnennnennennnnnannennnnrnnernnnnnennnsnnnnennnnnrnnnnn 5 2 Using battery power Finding battery information in Help and Support uussssssssnnsnnnnnsnnnnnnnnnnnnnnnnnnannennnnnnnnnnnn nn nnnnen 7 Displaying the remaining battery charge 44444sennnnnnnennennnnnnnnnnnnnnnnnnnnennnnnnnnnnennnnnnnnnnnnnnnnnnennnnn 8 Inserting or removing the battery 44444s ss nnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnr nn 9 Gharging a b ltery H na eek enden erahnen eeee 11 Managing low battery levels u u4neeseennnnnnnnnnennnnnnnnennnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnennnnnnnn 12 Identifying low battery levels 22444snnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn 12 Resolving a low battery level 2 0 ceecccccccceeeeeceeeenensecseeeseeneneceeedsenseneceeeeeeteeneseeeeeenneessees 13 Resolving a low battery level when external power is available 13 Resolving a low battery level when a charged battery is available 13 Resolving a low battery level when no power source is available 13 Resolving a low battery level when the computer cannot exit Hibernation 13 Calibrating a DAMON yf retail 14 Step 1 Fully charge the battery ecrans 14 Step 2 Di
15. owly discharges when the computer is off and unplugged from external power WARNING To reduce potential safety issues use only the battery provided with the computer a replacement battery provided by HP or a compatible battery purchased from HP Computer battery life varies depending on power management settings programs running on the computer display brightness external devices connected to the computer and other factors Chapter 2 Using battery power Finding battery information in Help and Support The Battery information section of the Help and Support Learning Center provides the following tools and information e Battery Check tool to test battery performance e Information on calibration power management and proper care and storage to maximize battery life e Information on battery types specifications life cycles and capacity To access Battery information A Select Start gt Help and Support gt Learning Center gt HP Power and Battery Learning Center Finding battery information in Help and Support 7 Displaying the remaining battery charge A Move the pointer over the battery meter icon in the notification area at the far right of the taskbar or View the estimated number of minutes of battery charge remaining in Windows Mobility Center A Click the battery meter icon and then click Windows Mobility Center 0or Select Start gt Control Panel gt Mobile PC gt Windows Mobility Center The tim
16. sable Hibernation and Sleep unsesssssssennnnennnnnnennnnnnnennnnnnnnnnnnenn nen 14 Step 3 Discharge the battery nennen 15 Step 4 Fully recharge the battery uunu224440unnnsnnnnnnnennnnnnnnnnnnnnnnnnnenennnnnnnneennnnnnne nn 16 Step 5 Reenable Hibernation and Sleep u444044004nsnnnnnnnnnnnnnnnnnnnnnnnnnnennennn nn 16 Conserving battery power usesseennnnnennnnnennnnnennnnennnnnnnnnnnnnnnnnnnnnsnnnnnnnnnnnsnnennnnnnnnsnnnnnnnnnnnnnnr nenn 17 sStoring a Bb atlery u nee ernennen sehe 17 Disposing ofa used bote iss orrasa Mean 17 3 Using external AC power Connecting the AC adapter uuurssnnneseennnnnnnnnennnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 19 4 Shutting down the computer 1 Setting power options Using power saving states The computer has two power saving states enabled at the factory Sleep and Hibernation When Sleep is initiated the power lights blink and the screen clears Your work is saved to memory letting you exit Sleep faster than exiting Hibernation Ifthe computer is in the Sleep state for an extended period or ifthe battery reaches a critical battery level while in the Sleep state the computer initiates Hibernation When Hibernation is initiated your work is saved to a hibernation file on the hard drive and the computer turns off A CAUTION To prevent possible audio and video degradation loss of a
17. ttery level To hide or display the battery meter icon 1 Right click the taskbar and then click Properties 2 Click the Notification Area tab 3 Under System icons clear the Power check box to hide the battery meter icon or select the Power check box to display the battery meter icon 4 Click OK Using the battery meter 3 Using power plans A power plan is a collection of 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 A Move the pointer over the battery meter icon in the notification area at the far right of the taskbar Select Start gt Control Panel gt System and Maintenance gt Power Options Selecting a different power plan A Click the battery meter icon in the notification area and then select a power plan from the list Select Start gt Control Panel gt System and Maintenance gt 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 gt Control Panel gt System and Maintenance gt Power Options Select a power plan and then click Change plan settings Change the Turn off the display and Put the computer to sleep timeout settings as needed To change additional settings cli
18. udio or video playback functionality or loss of information do not initiate Sleep or Hibernation while reading from or writing to a disc or an external media card amp 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 settings and timeouts can be changed using Power Options in Windows Control Panel With the computer on you can initiate Sleep in any of the following ways e Close the display e Press the power button briefly e Click Start and then click the Power button e Click Start click the arrow next to the Lock button and then click Sleep You can exit Sleep in any of the following ways e Press the power button briefly e Ifthe display is closed open the display e Press a key on the keyboard or button on the remote control select models only e Activate the TouchPad Using power saving states 1 When the computer exits Sleep the power lights turn on and your work returns to the screen where you stopped working amp NOTE Ifyou have set a password to be required on wakeup you must enter your Windows password before your work will return to the screen Initiating and exiting Hibernation
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