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HP Pavilion Dv7t 6c00 Cto Quad Edition Entertainment Notebook Pc Manual

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    							Removing the battery
    CAUTION:Removing a battery that is the sole power source for the computer can cause loss of
    information. To prevent loss of information, save your work and initiate Hibernation or shut down the
    computer through Windows before removing the battery.
    1.Slide the battery release latch (1) to release the battery, and then pivot the battery (2) upward.
    2.Remove the battery (3) from the computer.
    Inserting or removing the battery 41 
    						
    							Shutting down the computer
    CAUTION:Unsaved information is lost when the computer shuts 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:
    ●When you need to replace the battery or access components inside the computer
    ●When you are connecting an external hardware device that does not connect to a USB or video
    port
    ●When the computer will be unused and disconnected from external power for an extended
    period
    Although you can shut down the computer with the power button, the recommended procedure is to
    use the Windows Shut down command:
    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.Select Start > Shut down.
    NOTE:If you have been registered to a network domain, the button you click is called Shut
    Down instead of Turn Off Computer.
    If the computer is unresponsive and you are unable to use the preceding shutdown procedures, try
    the following emergency procedures in the sequence provided:
    ●Press ctrl+alt+delete, and then click the Power button.
    ●Press and hold the power button for at least 5 seconds.
    ●Disconnect the computer from external power and remove the battery.
    Setting power options
    Using power-saving states
    The computer has two power-saving states that are 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. If the computer is in the Sleep state for an
    extended period or if the 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.
    CAUTION:To reduce the risk of possible audio and video degradation, loss of audio 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.
    42 Chapter 7   Power management 
    						
    							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 a period of inactivity when running on battery
    power or 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:
    ●Briefly press the power button.
    ●Close the display.
    ●Select Start, click the arrow next to the Shut down button, and then click Sleep.
    To exit Sleep:
    ●Briefly press the power button.
    ●If the display is closed, open the display.
    ●Press a key on the keyboard.
    ●Tap or swipe the TouchPad.
    When the computer exits Sleep, the power lights turn on and your work returns to the screen where
    you stopped working.
    NOTE:If you 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
    The system is set at the factory to initiate Hibernation after a period of inactivity when running on
    battery power or on external power, or when the battery reaches a critical battery level.
    Power settings and timeouts can be changed in Windows Control Panel.
    To initiate Hibernation:
    ▲Select Start, click the arrow next to the Shut down button, and then click Hibernate.
    To exit Hibernation:
    ▲Briefly press the power button.
    The power lights turn on and your work returns to the screen where you stopped working.
    NOTE:If you have set a password to be required on wakeup, you must enter your Windows
    password before your work will return to the screen.
    Setting power options 43 
    						
    							Using the power meter
    The power meter is located in the notification area, at the far right of the taskbar. The power meter
    allows you to quickly access power settings and view the remaining battery charge.
    ●To display the percentage of remaining battery charge and the current power plan, move the
    pointer over the power meter icon.
    ●To access Power Options, or to change the power plan, click the power meter icon and select an
    item from the list.
    Different power 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 low or critical battery level.
    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.
    Viewing the current power plan
    Use any of the following methods:
    ●Click the power meter icon in the notification area, at the far right of the taskbar.
    ●Select Start > Control Panel > System and Security > Power Options.
    Selecting a different power plan
    Use any of the following methods:
    ●Click the power meter icon in the notification area, and then select a power plan from the list.
    ●Select Start > Control Panel > System and Security > Power Options, and then select an
    item from the list.
    Customizing power plans
    To customize a power plan:
    1.Click the power meter icon in the notification area, and then click More power options.
    – or –
    Select Start > Control Panel > System and Security > Power Options.
    2.Select a power plan, and then click Change plan settings.
    3.Change the settings as needed.
    4.To change additional settings, click Change advanced power settings and make your
    changes.
    44 Chapter 7   Power management 
    						
    							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.Select Start > Control Panel > System and Security > 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).
    NOTE:If you need to create a user account password or change your current user account
    password, click Create or change your user account password, and then follow the on-
    screen instructions. If you do not need to create or change a user account password, go to step
    5.
    5.Click Save changes.
    Using HP Power Manager (select models only)
    Power Manager allows you to select a power plan to optimize your computers power consumption
    and battery charge. The following power plans are available:
    ●Power saver
    ●HP Recommended
    ●High performance
    To start Power Manager when Windows is running:
    ▲Select Start > Control Panel > Hardware and Sound > HP Power Manager.
    Using HP Power Manager (select models only) 45 
    						
    							Using battery power
    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, the computer
    switches to battery power if the AC adapter is disconnected from the computer.
    NOTE:When you disconnect AC power, the display brightness is automatically decreased to save
    battery life. For information on increasing or decreasing display brightness, refer to 
    Using the action
    keys on page 31.
    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 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.
    Finding battery information
    Help and Support provides the following tools and information about the battery:
    ●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 > Learn > Power Plans: Frequently Asked Questions.
    Using Battery Check
    Battery Check in Help and Support provides information on the status of the battery installed in the
    computer.
    To run Battery Check:
    1.Connect the AC adapter to the computer.
    NOTE:The computer must be connected to external power for Battery Check to work properly.
    2.Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical.
    3.Click the Power tab, and then click 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.
    46 Chapter 7   Power management 
    						
    							Displaying the remaining battery charge
    ▲Move the pointer over the power meter icon in the notification area, at the far right of the taskbar.
    Maximizing battery discharge time
    Battery discharge time varies depending on the features you use while on battery power. Maximum
    discharge time gradually decreases as the battery storage capacity naturally degrades.
    Tips for maximizing battery discharge time:
    ●Lower the brightness on the display.
    ●Remove the battery from the computer when it is not being used or charged.
    ●Store the battery in a cool, dry location.
    ●Select the Power saver setting in Power Options.
    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 or critical battery level,
    the following behavior occurs:
    ●The battery light (select models only) indicates a low or critical battery level.
    NOTE:For additional information about the battery light, refer to Getting to know your
    computer on page 4.
    – or –
    ●The power meter icon in the notification area shows a low or critical battery notification.
    NOTE:For additional information about the power meter, refer to Using the power meter
    on page 44.
    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 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.
    Using battery power 47 
    						
    							Resolving a low battery level
    Resolving a low battery level when external power is available
    ▲Connect one of the following devices:
    ●AC adapter
    ●Optional docking or expansion device
    ●Optional power adapter purchased as an accessory from HP
    Resolving a low battery level when a charged battery is available
    1.Turn off the computer or initiate Hibernation.
    2.Replace the discharged battery with a charged battery.
    3.Turn on the computer.
    Resolving a low battery level when no power source is available
    ●Initiate Hibernation.
    ●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.Replace the discharged battery with a charged battery, or connect the AC adapter to the
    computer and to external power.
    2.Exit Hibernation by pressing the power button.
    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.
    ●Disconnect unused external devices that are not plugged into an external power source.
    ●Stop, disable, or remove any external media cards that you are not using.
    ●Decrease screen brightness.
    ●Before you leave your work, initiate Sleep or Hibernation, or shut down the computer.
    Storing a battery
    CAUTION:To reduce the risk of 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.
    48 Chapter 7   Power management 
    						
    							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
    WARNING!To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
    external contacts; do not dispose of in fire or water.
    Refer to the Regulatory, Safety and Environmental Notices for proper battery disposal.
    Replacing the battery
    In Windows 7, Battery Check in Help and Support 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. If the
    battery is possibly covered by an HP warranty, instructions include a warranty ID. A message refers
    you to the HP Web site for more information about ordering a replacement battery.
    Using external AC power
    NOTE:For information on connecting to AC power, refer to the Setup Instructions poster provided
    in the computer box.
    External AC power is supplied through an approved AC adapter or an optional docking or expansion
    device.
    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:
    WARNING!Do not charge the computer battery while you are onboard aircraft.
    ●When charging or calibrating a battery
    ●When installing or modifying system software
    ●When writing information to a CD, a DVD, or a BD (select models only)
    ●When running Disk Defragmenter
    ●When performing a backup or recovery
    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 power meter icon in the notification area changes appearance.
    When you disconnect external AC power, the following events occur:
    ●The computer switches to battery power.
    ●The display brightness is automatically decreased to save battery life.
    Using external AC power 49 
    						
    							Testing an AC adapter
    Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to
    AC power:
    ●The computer does not turn on.
    ●The display does not turn on.
    ●The power lights are off.
    To test the AC adapter:
    1.Shut down the computer.
    2.Remove the battery from the computer.
    3.Connect the AC adapter to the computer, and then plug it into an AC outlet.
    4.Turn on the computer.
    ●If the power lights turn on, the AC adapter is working properly.
    ●If the power lights remain off, check the connection from the AC adapter to the computer
    and the connection from the AC adapter to the AC outlet to make sure the connections are
    secure.
    ●If the connections are secure and the power lights remain off, the AC adapter is not
    functioning and should be replaced.
    Contact customer support for information on obtaining a replacement AC power adapter.
    50 Chapter 7   Power management 
    						
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