HP Pavilion Hdx9575la Entertainment Notebook Pc Service Guide

7.Remove the optical drive bracket (2).
Reverse the above procedure to reassemble and install the optical drive.
Component replacement procedures 53 

Keyboard
Description
For use in:
Spare part numberFor use in:Spare part number
Denmark, Finland, Norway, and
Sweden448159-DH1Latin America448159-161
France448159-051South Korea448159-AD1
French Canada448159-121Spain448159-071
Germany448159-041The United Kingdom448159-031
The Netherlands and Europe448159-B31The United States448159-001
Italy 448159-061   
Before removing the keyboard, follow these steps:
1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the...

4.Open the computer as far as possible.
5.Lift the front edge of the keyboard (1) until it rests at an angle.
6.Slide the keyboard (2) forward until the tabs on the rear edge of the keyboard disengage from the
slots in the top cover.
7.Rotate the rear edge of the keyboard (3) forward until it rests upside down on the palm rest.
8.Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached and
disconnect the keyboard cable (2).
9.Remove the keyboard.
Reverse this procedure...

Hinge cover
DescriptionSpare part number
Hinge cover452311-001
Before removing the hinge 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...

Rear cover
DescriptionSpare part number
Rear cover448161-001
Before removing the rear 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...

6.Remove the four Phillips PM2.5×4.0 broad-head screws (2) that secure the rear cover to the
computer.
7.Turn the computer right-side up, with the front toward you.
8.Open the computer as far as possible.
9.Remove the rear cover.
Reverse this procedure to install the rear cover.
58 Chapter 4   Removal and replacement procedures 

Top cover
DescriptionSpare part number
Top cover (includes TouchPad board cable and TouchPad button cable, and LED boards and cables) 448174-001
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 from the computer by first unplugging the power cord from the AC...

4.Remove the four Phillips PM2.5×5.0 screws (1) and the two Phillips PM2.5×11.0 screws (2) that
secure the top cover to the computer.
5.Turn the computer right-side up, with the front toward you.
6.Open the computer as far as possible.
7.Disconnect the following cables:
(1) Fingerprint reader board cable
(2) LED board cable
(3) TouchPad board cable
(4) TouchPad on/off board cable
8.Remove the two Phillips PM2.5×5.0 screws (1) that secure the top cover to the computer.
60 Chapter 4   Removal and...

9.Lift the rear edge of the top cover (2) until the top cover disengages from the computer.
10.Remove the top cover.
Reverse this procedure to install the top cover.
Fingerprint reader board
DescriptionSpare part number
Fingerprint reader board (includes cable) 448166-001
Before removing the fingerprint reader 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....

Remove the fingerprint reader board:
1.Turn the top cover upside down, with the front toward you.
2.Remove the two silver Phillips PM2.0×4.0 screws (1) that secure the fingerprint reader board and
bracket to the top cover.
3.Remove the fingerprint reader board bracket (2) and fingerprint reader board (3).
Reverse this procedure to install the fingerprint reader board.
TouchPad on/off board
DescriptionSpare part number
TouchPad on/off board (includes cable) 448167-001
Before removing the TouchPad on/off...