HP Pavilion Dv4 1200 Entertainment Notebook Pc Series Manual

2.Remove the three Phillips PM2.5×9.0 screws (1), the two Phillips PM2.5×6.0 screws (2), and the
one Phillips PM2.5×4.0 screws (3) that secure the top cover to the computer.
3.Turn the computer right-side up, with the front toward you.
4.Disconnect the Bluetooth module cable (1), the TouchPad cable (2), the fingerprint reader board
cable (3), and the USB board cable (4) from on the system board.
5.Remove the three Phillips PM2.5×4.0 screws (1).
Component replacement procedures 93 

6.Lift the front edge of the top cover (2) and remove it (3).
Reverse this procedure to install the top cover.
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TouchPad
DescriptionSpare part number
TouchPad (include TouchPad bracket and TouchPad cable)494960-001
TouchPad button486832-001
TouchPad bracket (included with top cover spare part kits and with TouchPad) 494961-001
Before removing the TouchPad, 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...

4.Remove the TouchPad board from the top cover (3).
Reverse the above procedure to reassemble and install the TouchPad.
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Fingerprint reader board
DescriptionSpare part number
Fingerprint reader486828-001
Before removing the fingerprint reader, 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...

4.Remove the fingerprint reader from the top cover (3).
Reverse the above procedure to reassemble and install the fingerprint reader.
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Modem module
DescriptionSpare part number
Modem module for use with most computer models461749-001
Modem module for use with computer models in Australia and New Zealand 461749-011
Before removing the modem 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...

3.Lift up on the back of the modem module (3) to disconnect it from the system board.
4.Remove the modem module.
Reverse the above procedure to install the modem module.
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Audio board
DescriptionSpare part number
Audio board (includes audio connectors, infrared lens, and audio board cable) 486840-001
Before removing the audio 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...

3.Remove the audio board (4).
Reverse the above procedure to install the audio board.
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