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HP Pavilion dv4200 HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 No - Page 175

that secure the, system board to the top cover.

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Removal and Replacement Procedures 21. Release the ZIF connector to which the TouchPad cable is attached and disconnect the cable 1 from the system board. 22. Remove the two Phillips PM2.0×4.0 screws 2 that secure the system board to the top cover. Removing the System Board Screws, Part 1, Compaq Presario V4000 Models Maintenance and Service Guide 5-71

Section	Page
Contents	3
Product Description	7
1.1 Features	8
1.2 Resetting the Computer	10
1.3 Power Management	11
1.4 External Components	12
1.5 Design Overview	32
Troubleshooting	33
2.1 Computer Setup	33
Accessing Computer Setup	34
Computer Setup Defaults	34
Selecting from the File Menu	35
Selecting from the Security Menu	36
Selecting from the Tools Menu	37
Selecting from the Advanced Menu	38
2.2 Troubleshooting Flowcharts	39
Illustrated Parts Catalog	61
3.1 Serial Number Location	61
3.2 Computer Major Components	62
3.3 Display Assembly Subcomponents	74
HP Pavilion dv4000 Models	74
3.4 Display Assembly Subcomponents	76
Compaq Presario V4000 Models	76
3.5 Miscellaneous Doors/Covers Kit Spare Part Information	78
3.6 Miscellaneous Cable Kit	80
3.7 Mass Storage Devices	82
3.8 Miscellaneous (Not Illustrated)	84
3.9 Sequential Part Number Listing	86
Removal and Replacement Preliminaries	97
4.1 Tools Required	97
4.2 Service Considerations	98
Plastic Parts	98
Cables and Connectors	98
4.3 Preventing Damage to Removable Drives	99
4.4 Preventing Electrostatic Damage	100
4.5 Packaging and Transporting Precautions	101
4.6 Workstation Precautions	102
4.7 Grounding Equipment and Methods	103
Removal and Replacement Procedures	105
5.1 Serial Number	106
5.2 Disassembly Sequence Chart	107
5.3 Preparing the Computer for Disassembly	109
5.4 Hard Drive	111
5.5 Computer Feet	115
5.6 Optical Drive	117
5.7 Memory Module	119
5.8 Mini PCI Communications Module	122
5.9 RTC Battery	124
5.10 Heat Sink	125
5.11 Processor	128
5.12 Switch Cover	130
5.13 Keyboard	133
5.14 Display Assembly	138
5.15 Top Cover	154
5.16 Base Enclosure	158
5.17 Modem Board	162
5.18 System Board	164
5.19 Fan Assembly	177
5.20 Speakers	180
5.21 USB Board	182
5.22 Bluetooth Module	185
Specifications	187
Connector Pin Assignments	205
Power Cord Set Requirements	211
3-Conductor Power Cord Set	211
General Requirements	212
Country-Specific Requirements	213
Screw Listing	215
Display Component Recycling	246