Removal and Replacement Procedures

Disassembly Sequence Chart (Continued)

Section

Description

# of Screws Removed

 

 

 

6.10

Optical Drive

1 to remove the optical drive

 

 

2 to remove the optical drive

 

 

bracket

 

 

 

6.11

Keyboard

4

 

 

 

6.12

Internal Memory Module

0

 

 

 

6.13

TouchPad

1

 

 

 

6.14

Modem Module

2

 

 

 

6.15

Switch Cover

4

 

 

 

6.16

LED Board

5

 

 

 

6.17

Fan Assembly

2

 

 

 

6.18

Processor Heat Sink

4 loosened

 

 

 

6.19

Processor

1 loosened

 

 

 

6.20

Video Board Heat Sink

4 loosened

 

 

2 removed

 

 

 

6.21

Video Board

2 screw locks

 

 

 

6.22

Display Assembly

8

 

Display bezel

8

 

Display panel

8

 

Ambient light sensor board

1

 

Display inverter

1

 

Display hinges

8

 

 

 

6.23

Top Cover

16

 

 

 

6.24

Speaker

0

 

 

 

6.25

System Board

1

 

 

 

6.26

USB/Audio Board

0

 

 

 

6.27

PC Card/Smart Card Assembly

4

 

 

 

Maintenance and Service Guide

5–3

Page 103
Image 103
HP nw9440, nx9420 manual Optical Drive