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HP Pavilion Tx2100 Entertainment Notebook Pc Series Service Guide

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    							Display assembly
    DescriptionSpare part number
    12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, fingerprint
    reader, microphones, and WLAN antenna cables484751-001
    12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, microphones,
    and WLAN antenna cables484750-001
    Before removing the display assembly, follow these steps:
    1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, and then shut it down through the operating system.
    2.Disconnect all external devices connected to the computer.
    3.Disconnect the power cord.
    4.Remove the battery (see 
    Battery on page 39).
    5.Remove the memory module compartment cover (see 
    Memory module on page 44).
    6.Remove the WLAN module compartment cover and disconnect the wireless antenna cables
    from the WLAN module (see 
    WLAN module on page 46).
    7.Remove the keyboard (see 
    Keyboard on page 49).
    8.Remove the switch cover (see 
    Switch cover on page 51).
    Remove the display assembly:
    1.Close the computer and turn it upside down, with the front toward you.
    2.Loosen the Phillips PM2.0×5.0 captive screw (1) that secures the display connector cover to the
    computer.
    3.Lift the rear edge of the display connector cover (2) and swing it toward you.
    4.Remove the display connector cover.
    NOTE:The display connector cover is included in the Plastics Kit, spare part number
    487926-001.
    Component replacement procedures 53 
    						
    							5.Remove the two Phillips PM2.5×6.0 screws (3) that secure the display assembly to the
    computer.
    6.Remove the wireless antenna cables (1) from the routing channel built into the base enclosure.
    7.Disconnect the camera cable (2) and the microphone cable (3) from the system board.
    8.Turn the computer display-side up, with the front toward you.
    9.Open the computer.
    10.Remove the display convertible hinge cover (1).
    11.Remove the two Phillips PM2.5×6.0 screws (2) that secure the display assembly to the
    computer.
    54 Chapter 4   Removal and replacement procedures 
    						
    							12.Disconnect the display panel cable (3) from the system board.
    NOTE:As you remove the display assembly, be sure that the display cables and wireless
    antenna cables move cleanly through the opening (1) in the computer.
    13.Lift the display (2) straight up and remove it.
    Reverse this procedure to install the display assembly.
    Component replacement procedures 55 
    						
    							Top cover
    DescriptionSpare part number
    Top cover (includes TouchPad and TouchPad cable, caps lock light board and cable, and top
    cover bumper pads)464111-001
    Before removing the top cover, follow these steps:
    1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, and then shut it down through the operating system.
    2.Disconnect all external devices connected to the computer.
    3.Disconnect the power cord.
    4.Remove the battery (see 
    Battery on page 39).
    5.Remove the following components:
    a.Hard drive (see 
    Hard drive on page 41)
    b.Optical drive (see 
    Optical drive on page 43)
    c.Keyboard (see 
    Keyboard on page 49)
    d.Switch cover (see 
    Switch cover on page 51)
    e.Display assembly (see 
    Display assembly on page 53)
    Remove the top cover:
    1.Turn the computer upside down, with the front toward you.
    2.Remove the five Phillips PM2.0×7.0 screws (1) and the three Phillips PM2.0×4.0 screws (2) that
    secure the top cover to the computer.
    3.Turn the computer right-side up, with the front toward you.
    4.Disconnect the display lid switch board cable (1) from the system board.
    56 Chapter 4   Removal and replacement procedures 
    						
    							5.Release the ZIF connector (2) to which the TouchPad cable is connected and disconnect the
    TouchPad cable (3).
    6.Remove the two Phillips PM2.0×4.0 screws (4) that secure the top cover to the base enclosure.
    7.Lift the top cover straight up and remove it.
    Reverse this procedure to install the top cover.
    Component replacement procedures 57 
    						
    							RTC battery
    NOTE:Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all
    passwords and CMOS settings to be cleared.
    DescriptionSpare part number
    RTC battery449729-001
    Before removing the RTC battery, follow these steps:
    1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, and then shut it down through the operating system.
    2.Disconnect all external devices connected to the computer.
    3.Disconnect the power cord.
    4.Remove the battery (see 
    Battery on page 39).
    5.Remove the following components:
    a.Hard drive (see 
    Hard drive on page 41)
    b.Optical drive (see 
    Optical drive on page 43)
    c.Keyboard (see 
    Keyboard on page 49)
    d.Switch cover (see 
    Switch cover on page 51)
    e.Display assembly (see 
    Display assembly on page 53)
    f.Top cover (see 
    Top cover on page 56)
    Remove the RTC battery:
    ▲Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket.
    Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the “+”
    sign facing up.
    58 Chapter 4   Removal and replacement procedures 
    						
    							Power switch assembly
    DescriptionSpare part number
    Power switch assembly (includes power switch board cable and actuator switch) 441142-001
    Before removing the power switch assembly, follow these steps:
    1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, and then shut it down through the operating system.
    2.Disconnect all external devices connected to the computer.
    3.Disconnect the power cord.
    4.Remove the battery (see 
    Battery on page 39).
    5.Remove the following components:
    a.Hard drive (see 
    Hard drive on page 41)
    b.Optical drive (see 
    Optical drive on page 43)
    c.Keyboard (see 
    Keyboard on page 49)
    d.Switch cover (see 
    Switch cover on page 51)
    e.Display assembly (see 
    Display assembly on page 53)
    f.Top cover (see 
    Top cover on page 56)
    Remove the power switch assembly:
    1.Remove the two Phillips PM2.0×4.0 screws (1) that secure the power switch board to the base
    enclosure.
    2.Remove the Phillips PM2.0×3.0 screw (2) that secures the display release hook assembly to the
    base enclosure.
    Component replacement procedures 59 
    						
    							3.Remove the display release hook assembly (3).
    NOTE:The display release hook assemblies are included with the base enclosure spare part
    kits.
    4.Disconnect the power switch board cable (1) from the system board.
    5.Remove the power switch board (2) and power switch actuator (3) from the base enclosure.
    Reverse this procedure to install the power switch assembly.
    60 Chapter 4   Removal and replacement procedures 
    						
    							Bluetooth module
    DescriptionSpare part number
    Bluetooth module483113-001
    Bluetooth module cable487697-001
    Before removing the Bluetooth module, follow these steps:
    1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, and then shut it down through the operating system.
    2.Disconnect all external devices connected to the computer.
    3.Disconnect the power cord.
    4.Remove the battery (see 
    Battery on page 39).
    5.Remove the following components:
    a.Hard drive (see 
    Hard drive on page 41)
    b.Optical drive (see 
    Optical drive on page 43)
    c.Keyboard (see 
    Keyboard on page 49)
    d.Switch cover (see 
    Switch cover on page 51)
    e.Display assembly (see 
    Display assembly on page 53)
    f.Top cover (see 
    Top cover on page 56)
    Remove the Bluetooth module:
    1.Disconnect the Bluetooth module cable (1) from the system board.
    2.Remove the Phillips PM2.0×3.0 screw (2) that secures the Bluetooth module to the system
    board.
    Component replacement procedures 61 
    						
    							3.Remove the Bluetooth module (3).
    Reverse this procedure to install the Bluetooth module.
    System board
    DescriptionSpare part number
    System board (includes replacement thermal material) 480850-001
    When replacing the system board, be sure that the following components are removed from the
    defective system board and installed on the replacement system board:
    ●Memory module (see 
    Memory module on page 44)
    ●WLAN module (see 
    WLAN module on page 46)
    ●RTC battery (see 
    RTC battery on page 58)
    ●Bluetooth module (see 
    Bluetooth module on page 61)
    ●Fan/heat sink assembly (see 
    Fan/heat sink assembly on page 68)
    ●Processor (see 
    Processor on page 70)
    Before removing the system board, follow these steps:
    1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
    the computer on, and then shut it down through the operating system.
    2.Disconnect all external devices connected to the computer.
    3.Disconnect the power cord.
    62 Chapter 4   Removal and replacement procedures 
    						
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