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HP Pavilion 17 E100 Touchsmart Notebook Pc Series Manual

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    							8 Maintaining your computer
    It is important to perform regular maintenance to keep your computer in optimal condition. This
    chapter provides information about improving the performance of your computer by running tools
    such as Disk Defragmenter and Disk Cleanup. It also provides information about updating your
    programs and drivers, instructions for cleaning your computer, and tips for traveling with your
    computer.
    Improving performance
    Everyone wants a fast computer and by performing regular maintenance tasks, using tools such as
    Disk Defragmenter and Disk Cleanup, you can drastically improve the performance of your computer.
    Also, as your computer gets older, you might consider installing larger drives and adding more
    memory.
    Handling drives
    Observe these precautions when handling drives:
    ●Before removing or installing a drive, shut down the computer. If you are unsure whether the
    computer is off, in the Sleep state, or in Hibernation, turn the computer on, and then shut it down
    through the operating system.
    ●Before handling a drive, discharge static electricity by touching the unpainted metal surface of
    the drive.
    ●Do not touch the connector pins on a removable drive or on the computer.
    ●Do not use excessive force when inserting a drive into a drive bay.
    ●When the battery is the only source of power, be sure that the battery is sufficiently charged
    before writing to media.
    ●If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective
    packaging and label the package “FRAGILE.”
    ●Avoid exposing a drive to magnetic fields. Security devices with magnetic fields include airport
    walk-through devices and security wands. Airport conveyer belts and similar security devices
    that check carry-on baggage use X-rays instead of magnetism and do not damage drives.
    ●Remove media from a drive before removing the drive from the drive bay, or traveling with,
    shipping, or storing a drive.
    ●Do not type on the keyboard or move the computer while an optical drive is writing to a disc. The
    write process is sensitive to vibration.
    ●Before you move a computer that is connected to an external hard drive, initiate Sleep and allow
    the screen to clear, or properly disconnect the external hard drive.
    Improving performance 51 
    						
    							Replacing a hard drive
    CAUTION:Drives are fragile computer components that must be handled with care. Do not drop a
    drive, place items on it, or expose it to liquids, or temperature or humidity extremes. See 
    Handling
    drives on page 51 for specific precautions when handling drives.
    CAUTION:To prevent information loss or an unresponsive system:
    Before removing or installing a drive, shut down the computer. If you are unsure whether the
    computer is off, in the Sleep state, or in Hibernation, turn the computer on, and then shut it down
    through the operating system.
    1.Save your work and shut down the computer.
    2.Disconnect all external devices connected to the computer.
    3.Unplug the power cord from the AC outlet.
    4.Turn the computer upside down on a flat surface.
    5.Remove the battery from the computer (see 
    Removing a user-replaceable battery on page 37.)
    Remove the hard drive:
    1.Loosen the service door screw (1), and then remove the service door (2).
    2.Remove the 2 screws (1) from the hard drive.
    52 Chapter 8   Maintaining your computer 
    						
    							3.Disconnect the hard drive cable (2) from the computer.
    4.Pull the hard drive tab (1), and then remove the hard drive (2).
    NOTE:After removing the hard drive from the computer, you must remove the hard drive
    bracket to access the hard drive itself.
    5.Remove the 4 screws (1) from the hard drive.
    6.Remove the hard drive sleeve (2) from the hard drive.
    Improving performance 53 
    						
    							7.Disconnect the hard drive cable (3) from the hard drive.
    To install a hard drive, reverse this procedure.
    Using HP 3D DriveGuard (select models only)
    HP 3D DriveGuard protects a hard drive by parking the drive and halting data requests under either of
    the following conditions:
    ●You drop the computer.
    ●You move the computer with the display closed while the computer is running on battery power.
    A short time after the end of one of these events, HP 3D DriveGuard returns the hard drive to normal
    operation.
    NOTE:Hard drives in the primary hard drive bay or in the secondary hard drive bay are protected
    by HP 3D DriveGuard. Hard drives connected to USB ports are not covered by HP 3D DriveGuard.
    For more information, see the HP 3D DriveGuard software Help.
    Using Disk Defragmenter
    As you use your computer over time, the files on the hard drive become fragmented. A fragmented
    drive means data on your drive is not contiguous (sequential) and, because of this, the hard drive
    works harder to locate files, thus slowing down the computer. Disk Defragmenter consolidates (or
    physically reorganizes) the fragmented files and folders on the hard drive so that the system can run
    more efficiently.
    NOTE:It is not necessary to run Disk Defragmenter on solid-state drives.
    After you start Disk Defragmenter, it works without supervision. However, depending on the size of
    your hard drive and the number of fragmented files, Disk Defragmenter may take more than an hour
    to complete.
    HP recommends defragmenting your hard drive at least once a month. You may set Disk
    Defragmenter to run on a monthly schedule, but you can defragment your computer manually at any
    time.
    54 Chapter 8   Maintaining your computer 
    						
    							To run Disk Defragmenter:
    1.Connect the computer to AC power.
    2.From the Start screen, type d, and then type disk in the search box. Select Settings, and then
    select Defragment and optimize your drives.
    3.Follow the on-screen instructions.
    For additional information, access the Disk Defragmenter software Help.
    Using Disk Cleanup
    Disk Cleanup searches the hard drive for unnecessary files that you can safely delete to free up disk
    space and help the computer run more efficiently.
    To run Disk Cleanup:
    1.From the Start screen, type d, and then type disk in the search box. Select Settings, and then
    select Free up disk space by deleting unnecessary files.
    2.Follow the on-screen instructions.
    Adding or replacing memory modules
    Adding memory can help improve your computers performance. Your computer is like your physical
    work area. The hard drive is the filing cabinet where you store your work and the memory is the desk
    where you work. When your memory isn’t big enough to hold all your work easily, like a desk
    overflowing with work, your productivity slows down. A great solution to improve performance is to
    expand the amount of memory you have in your computer.
    The computer has two memory module slots. The memory module slots are located on the bottom of
    the computer under the service door. The memory capacity of the computer can be upgraded by
    adding a memory module or replacing the existing memory module in one of the memory module
    slots.
    WARNING!To reduce the risk of electric shock and damage to the equipment, unplug the power
    cord and remove all batteries before installing a memory module.
    CAUTION:Electrostatic discharge (ESD) can damage electronic components. Before beginning
    any procedure, ensure that you are discharged of static electricity by touching a grounded metal
    object.
    NOTE:To use a dual-channel configuration with a second memory module, be sure that both
    memory modules are identical.
    To add or replace a memory module:
    CAUTION:To prevent information loss or an unresponsive system:
    Shut down the computer before adding or replacing memory modules. Do not remove a memory
    module while the computer is on, in the Sleep state, on in Hibernation.
    If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the
    power button. Then shut down the computer through the operating system.
    1.Save your work and shut down the computer.
    2.Disconnect all external devices connected to the computer.
    3.Unplug the power cord from the AC outlet.
    Improving performance 55 
    						
    							4.Turn the computer upside down on a flat surface.
    5.Remove the battery from the computer (see 
    Removing a user-replaceable battery on page 37.)
    6.Remove the service door from the computer.
    7.If you are replacing a memory module, remove the existing memory module:
    a.Pull away the retention clips (1) on each side of the memory module.
    The memory module tilts up.
    b.Grasp the edge of the memory module (2), and then gently pull the module out of the
    memory module slot.
    CAUTION:To prevent damage to the memory module, hold the memory module by the
    edges only. Do not touch the components on the memory module.
    NOTE:To protect a memory module after removal, place it in an electrostatic-safe
    container.
    8.Insert a new memory module:
    CAUTION:To prevent damage to the memory module, hold the memory module by the edges
    only. Do not touch the components on the memory module.
    a.Align the notched edge (1) of the memory module with the tab in the memory module slot.
    b.With the memory module at a 45-degree angle from the surface of the memory module
    compartment, press the module into the memory module slot (2) until it is seated.
    c.Gently press the memory module (3) down, applying pressure to both the left and right
    edges of the module, until the retention clips snap into place.
    CAUTION:To prevent damage to the memory module, be sure that you do not bend the
    module.
    56 Chapter 8   Maintaining your computer 
    						
    							9.Replace the service door.
    10.Replace the battery.
    11.Turn the computer right-side up, and then reconnect external power and external devices.
    12.Turn on the computer.
    Improving performance 57 
    						
    							Updating programs and drivers
    HP recommends that you update your programs and drivers on a regular basis to the latest versions.
    Updates can resolve issues and bring new features and options to your computer. Technology is
    always changing, and updating programs and drivers allows your computer to run the latest
    technology available. For example, older graphics components might not work well with the most
    recent gaming software. Without the latest driver, you would not be getting the most out of your
    equipment.
    Go to 
    http://www.hp.com/support to download the latest versions of HP programs and drivers. In
    addition, register to receive automatic update notifications when they become available.
    Cleaning your computer
    Cleaning your computer and external devices helps keep them in good working condition. If you dont
    clean your computer, dust and dirt particles can build up.
    CAUTION:Avoid using the following cleaning products to clean your computer:
    Strong solvents, such as alcohol, acetone, ammonium chloride, methylene chloride, and
    hydrocarbons, which can permanently damage the surface of the computer.
    Cleaning the display, sides, and cover
    Gently wipe the display using a soft, lint-free cloth moistened with an alcohol-free glass cleaner. Allow
    the display to dry before closing the computer cover.
    Use a pre-moistened germicidal wipe to clean the sides and cover. Fibrous materials, such as paper
    towels, can scratch the computer.
    NOTE:When cleaning the cover of the computer, use a circular motion to aid in removing dirt and
    debris.
    Cleaning the TouchPad and keyboard
    CAUTION:Never allow liquids to drip between the keys on the keyboard, even when you are
    cleaning the computer. This can permanently damage internal components.
    ●To clean and disinfect the TouchPad and keyboard, use a soft microfiber cloth or a static-free
    cloth without oil (such as a chamois cloth) moistened with an alcohol-free glass cleaner or use
    an acceptable germicidal disposable wipe.
    ●To prevent keys from sticking and to remove dust, lint, and particles from the keyboard, use a
    can of compressed air with a straw extension.
    WARNING!To reduce the risk of electric shock or damage to internal components, do not use
    a vacuum cleaner attachment to clean the keyboard. A vacuum cleaner can deposit household
    debris on the keyboard surface.
    58 Chapter 8   Maintaining your computer 
    						
    							Traveling with or shipping your computer
    If you have to travel with or ship your computer, here are some tips to keep in mind to keep your
    equipment safe.
    ●Prepare the computer for traveling or shipping:
    ◦Back up your information to an external drive.
    ◦Remove all discs and all external media cards, such as digital storage cards, from the
    computer.
    ◦Turn off, and then disconnect all external devices.
    ◦Shut down the computer.
    ●Take along a backup of your information. Keep the backup separate from the computer.
    ●When traveling by air, carry the computer as hand luggage; do not check it in with the rest of
    your luggage.
    CAUTION:Avoid exposing a drive to magnetic fields. Security devices with magnetic fields
    include airport walk-through devices and security wands. Airport conveyer belts and similar
    security devices that check carry-on baggage use X-rays instead of magnetism and do not
    damage drives.
    ●If you plan to use the computer during a flight, listen for the in-flight announcement that tells you
    when you are allowed to use your computer. In-flight computer use is at the discretion of the
    airline.
    ●If you are shipping the computer or a drive, use suitable protective packaging and label the
    package “FRAGILE.”
    ●If the computer has a wireless device installed, the use of these devices may be restricted in
    some environments. Such restrictions may apply onboard aircraft, in hospitals, near explosives,
    and in hazardous locations. If you are uncertain of the policy that applies to the use of a
    particular device, ask for authorization to use your computer before you turn it on.
    ●If you are traveling internationally, follow these suggestions:
    ◦Check the computer-related customs regulations for each country or region on your
    itinerary.
    ◦Check the power cord and adapter requirements for each location in which you plan to use
    the computer. Voltage, frequency, and plug configurations vary.
    WARNING!To reduce the risk of electric shock, fire, or damage to the equipment, do not
    attempt to power the computer with a voltage converter kit sold for appliances.
    Traveling with or shipping your computer 59 
    						
    							9 Securing your computer and
    information
    Computer security is essential for protecting the confidentiality, integrity, and availability of your
    information. Standard security solutions provided by the Windows operating system, HP applications,
    the non-Windows Setup Utility (BIOS), and other third-party software can help protect your computer
    from a variety of risks, such as viruses, worms, and other types of malicious code.
    IMPORTANT:Some security features listed in this chapter may not be available on your computer.
    Computer risk Security feature
    Unauthorized use of the computer Power-on password
    Computer viruses Antivirus software
    Unauthorized access to data Firewall software
    Unauthorized access to Setup Utility (BIOS) settings and
    other system identification informationAdministrator password
    Ongoing or future threats to the computer Software updates
    Unauthorized access to a Windows user account User password
    Unauthorized removal of the computer Security cable lock
    Using passwords
    A password is a group of characters that you choose to secure your computer information and to
    protect online transactions. Several types of passwords can be set. For example, when you set up
    your computer for the first time, you were asked to create a user password to secure your computer.
    Additional passwords can be set in Windows or in the HP Setup Utility (BIOS) that is preinstalled on
    your computer.
    You may find it helpful to use the same password for a Setup Utility (BIOS) feature and for a Windows
    security feature.
    Use the following tips for creating and saving passwords:
    ●To reduce the risk of being locked out of the computer, record each password and store it in a
    secure place away from the computer. Do not store passwords in a file on the computer.
    ●When creating passwords, follow requirements set by the program.
    ●Change your passwords at least every three months.
    ●An ideal password is long and has letters, punctuation, symbols, and numbers.
    ●Before you send your computer for service, back up your files, delete confidential files, and then
    remove all password settings.
    For additional information about Windows passwords, such as screen-saver passwords, from the
    Start screen, type support, and then select the HP Support Assistant app.
    60 Chapter 9   Securing your computer and information 
    						
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