HP Pavilion Dv4 1200 Entertainment Notebook Pc Series Manual

							5.Lift the rear edge of the keyboard (1) until it rests at an angle.
6.Release the keyboard (2) by sliding it back to disengage the tabs on the front edge of the keyboard
from the top cover.
7.Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached and
disconnect the keyboard cable (2) from the system board.
8.Remove the keyboard.
Reverse this procedure to install the keyboard.
Component replacement procedures 73 
						

							Keyboard cover
DescriptionSpare part number
Keyboard covers 
●For use with standard computer models486852-001
●For use with bronze-colored computer models495663-001
●For use with standard computer models512231-001
●For use with bronze-colored computer models 512232-001
Before removing the keyboard 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 from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.Remove the battery (see 
Battery on page 55).
5.Remove the keyboard (see 
Keyboard on page 72).
Remove the keyboard cover:
1.Remove the two Phillips PM2.5×7.0 screws (1), the two Phillips PM2.0×4.0 screws (2), and the
three Phillips PM2.5×3.0 screws (3) that secure the keyboard cover to the computer.
2.Turn the computer display-side up, with the front toward you.
3.Open the computer as far as possible.
4.Remove the Phillips PM2.5×9.0 screw (1), and the Phillips PM2.5×4.0 screw (2) securing the
keyboard cover to the top cover.
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							5.Release the keyboard cover (3) by sliding it toward the display assembly until it disengages from
the computer.
6.Remove the keyboard cover (4).
Reverse this procedure to install the keyboard cover.
Component replacement procedures 75 
						

							Bluetooth module
DescriptionSpare part number
Bluetooth module483113-001
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 from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.Remove the battery (see 
Battery on page 55).
5.Remove the following components:
a.Hard drive (see 
Hard drive on page 59)
b.WLAN cover (see 
WLAN module on page 62)
c.Optical drive (see 
Optical drive on page 57)
d.Keyboard (see 
Keyboard on page 72)
e.Keyboard cover (see 
Keyboard cover on page 74)
Remove the Bluetooth module:
1.Remove the Phillips PM2.0×4.0 screw (1) that secures the Bluetooth module to the system board.
2.Lift the Bluetooth module from the system board (2).
3.Disconnect the Bluetooth module cable from the Bluetooth module (3).
Reverse the above procedure to install the Bluetooth module.
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							Speaker assembly
DescriptionSpare part number
Speaker assembly486837-001
Before removing the speaker 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 from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.Remove the battery (see 
Battery on page 55).
5.Remove the following components:
a.Hard drive (see 
Hard drive on page 59)
b.Wireless module compartment cover (see 
WLAN module on page 62)
c.Optical drive (see 
Optical drive on page 57)
d.Keyboard (see 
Keyboard on page 72)
e.Keyboard cover (see 
Keyboard cover on page 74)
f.Display assembly (see 
Display assembly on page 80)
g.Top cover (see 
Top cover on page 92)
Remove the speaker assembly:
1.Disconnect the num lock cable (1) from the system board.
2.Remove the two Phillips PM2.5×4.0 screws (2) that secure the speaker assembly to the computer.
3.Remove the Phillips PM2.5×9.0 screw (3) that secures the speaker assembly to the computer.
4.Disconnect the speaker cable (4) from the system board.
Component replacement procedures 77 
						

							5.Lift the speaker assembly (5) straight up to remove it from the computer.
Reverse this procedure to install the speaker assembly.
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							SIM connector board
DescriptionSpare part number
SIM module for models with WWAN 486845-001
NOTE:This section applies only to computer models with WWAN capability.
NOTE:If there is a SIM inserted in the SIM slot, it must be removed before disassembling the
computer. Be sure that the SIM is reinserted in the SIM slot after reassembling the computer.
Before removing the SIM connector 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 from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.Remove the battery (see 
Battery on page 55).
5.Remove the SIM (see 
SIM on page 56)
6.Remove the keyboard (see 
Keyboard on page 72)
7.Remove the keyboard cover (see 
Keyboard cover on page 74)
8.Remove the speaker. (see 
Speaker assembly on page 77)
Remove the SIM connector board:
1.Disconnect the SIM connector board cable (1) from the system board.
2.Remove the 2 Phillips PM2.5×4.0 screws (2) that secure the SIM connector board to the system
board.
3.Remove the SIM connector board (3).
Component replacement procedures 79 
						

							Reverse this procedure to install the SIM connector board.
Display assembly
DescriptionSpare part number
Display assemblies 
●14.1-inch WXGA, Brightview display assembly with a camera/microphone module for
use with standard computer models486882-001
●14.1-inch WXGA, Brightview display assembly with a camera/microphone module for
use with bronze-colored computer models496736-001
●14.1-inch WXGA, Brightview LED display assembly with a camera/microphone module
for use with standard computer models486883-001
●14.1-inch WXGA, Brightview LED display assembly with a camera/microphone module
for use with bronze-colored computer models496741-001
●14.1-inch WXGA, Brightview Flush Glass display assembly with a camera/microphone
module for use with standard computer models486872-001
●14.1-inch WXGA, Brightview Flush Glass display assembly with a camera/microphone
module for use with bronze-colored computer models496732-001
●14.1-inch WXGA, Brightview Flush Glass display assembly with a camera/microphone
module for use in blue-colored computer models502577-001
Display bezels
●For use only with standard computer models equipped with a camera/microphone
module (includes openings for camera module and microphones)
494978-001
●For use only with standard computer models not equipped with a camera/microphone
module (includes openings for microphones)486893-001
●For use only with bronze-colored computer models equipped with a camera/
microphone module (includes openings for camera module and microphones)496743-001
●For use only with bronze-colored computer models not equipped with a camera/
microphone module (includes openings for camera/microphone module and
microphones)496735-001
Display Hinge Kits 
●For use with standard display assemblies486894-001
●For use with Flush Glass display assemblies486880-001
Display panels (includes display panel cable) 
●14.1-inch, WXGA, BrightView display panel for use in computers with Intel
processors (includes display panel cable)483261-001
●14.1-inch, WXGA, BrightView LED display panel for use in computers with Intel
processors (includes display panel cable)483262-001
●14.1-inch, WXGA, BrightView display panel for use in computers with AMD
processors (includes display panel cable)497182-001
●14.1-inch, WXGA, BrightView LED display panel for use in computers with AMD
processors (includes display panel cable)497183-001
Display inverter (includes Mylar shield)486736-001
Wireless Antenna Kits 
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							DescriptionSpare part number
●For use with standard display assemblies489068-001
●For use with Flush Glass display assemblies489067-001
Display enclosures (includes logo light and cables) 
●For use with standard computer models with a camera/microphone module486890-001
●For use with bronze-colored computer models with a camera/microphone module496734-001
●For use with standard computer models494967-001
●For use with bronze-colored computer models496742-001
●For use with standard computer models with Flush Glass display assemblies486875-001
●For use with bronze-colored computer models with Flush Glass display assemblies496733-001
●For use in blue-colored computer models502578-001
Rubber display bezel kits (contains all rubber pieces for the display bezel) 
●For use with standard computer models496729-001
●For use with bronze-colored computer models486874-001
Miscellaneous display parts 
●Hinge trim for use on standard computer models with Flush Glass display assemblies495629-001
●Hinge trim for use on bronze-colored computer models with Flush Glass display
assemblies502592-001
●Hinge trim for use on blue-colored computer models502595-001
●Display trim for use with standard computer models with Flush Glass display
assemblies486877-001
●Display trim for use with bronze-colored computer models with Flush Glass display
assemblies502593-001
●Display trim for use with blue-colored computer models502596-001
●LCD cable for Flush Glass display assemblies486878-001
●Microphone cable for Flush Glass display assemblies495631-001
●LED transfer board for standard display assemblies 494977-001
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 from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.Remove the battery (see 
Battery on page 55).
Component replacement procedures 81 
						

							5.Disconnect the wireless antenna cables from the WLAN module (see WLAN module on page 62).
6.Remove the following components:
a.Keyboard (see 
Keyboard on page 72)
b.Keyboard cover (see 
Keyboard cover on page 74)
c.Speaker (see 
Speaker assembly on page 77)
Remove the display assembly:
1.Locate the wireless antenna cable (1), and remove from path (2).
2.Disconnect the wireless antenna cable from the system board (3).
3.Remove the wireless antenna cable from the path (1) and disconnect it from the system board
(2).
CAUTION:The display assembly will be unsupported when the following screws are removed.
To prevent damage to the display assembly, support it before removing the screws.
4.Remove the four Phillips PM2.5×7.0 screws (1) that secure the display assembly to the computer.
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