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HP Tc4200 HP Compaq tc4200 Tablet PC - Maintenance and Service Guide - Page 129

Disconnect the display cable from the system board., Disconnecting the Display Cable

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Removal and Replacement Procedures 8. Disconnect the display cable from the system board. Disconnecting the Display Cable 6-38 Maintenance and Service Guide

Section	Page
Maintenance and Service Guide	1
Contents	4
Product Description	8
1.1 Features	9
1.2 Resetting the Tablet PC	11
1.3 Power Management	11
1.4 External Components	12
1.5 Design Overview	28
Troubleshooting	29
2.1 Computer Setup	29
Accessing Computer Setup	30
Restoring Computer Setup Defaults	31
Selecting from the File Menu	32
Selecting from the Security Menu	33
Selecting from the Tools Menu	34
Selecting from the Advanced Menu	35
2.2 Troubleshooting Flowcharts	36
Flowchart 2.1-Initial Troubleshooting	38
Flowchart 2.2-No Power, Part 1	39
Flowchart 2.3-No Power, Part 2	40
Flowchart 2.4-No Power, Part 3	41
Flowchart 2.5-No Power, Part 4	42
Flowchart 2.6-No Video, Part 1	43
Flowchart 2.7-No Video, Part 2	44
Flowchart 2.8-Nonfunctioning Docking Device (if applicable)	45
Flowchart 2.9-No Operating System (OS) Loading	46
Flowchart 2.10-No OS Loading, Hard Drive, Part 1	47
Flowchart 2.11-No OS Loading, Hard Drive, Part 2	48
Flowchart 2.12-No OS Loading, Hard Drive, Part 3	49
Flowchart 2.13-No OS Loading, Diskette Drive	50
Flowchart 2.14-No OS Loading, Optical Drive	51
Flowchart 2.15-No Audio, Part 1	52
Flowchart 2.16-No Audio, Part 2	53
Flowchart 2.17-Nonfunctioning Device	54
Flowchart 2.18-Nonfunctioning Keyboard	55
Flowchart 2.19-Nonfunctioning Pointing Device	56
Flowchart 2.20-No Network/Modem Connection	57
Software Update and Recovery	58
Software Updates	58
Accessing Computer Information	59
Obtaining the Support Software Disc	60
Software Updates and the HP Web Site	60
Downloading a BIOS Update	60
Installing a BIOS Update	61
Recovering the BIOS	62
Illustrated Parts Catalog	64
4.1 Serial Number Location	64
4.2 Tablet PC Major Components	65
4.3 Miscellaneous Plastics/ Hardware Kit	75
4.4 Miscellaneous Cable Kit	76
4.5 Miscellaneous (Not Illustrated)	77
4.6 Sequential Part Number Listing	79
Removal and Replacement Preliminaries	85
5.1 Tools Required	85
5.2 Service Considerations	86
Plastic Parts	86
Cables and Connectors	86
5.3 Preventing Damage to Removable Drives	87
5.4 Preventing Electrostatic Damage	88
5.5 Packaging and Transporting Precautions	88
5.6 Workstation Precautions	89
5.7 Grounding Equipment and Methods	90
Removal and Replacement Procedures	92
6.1 Serial Number	92
6.2 Disassembly Sequence Chart	93
6.3 Preparing the Tablet PC for Disassembly	95
6.4 Hard Drive	97
6.5 Tablet PC Feet	100
6.6 Bluetooth Module	101
6.7 External Memory Module	103
6.8 TPM Security Card	106
6.9 Keyboard Cover	107
6.10 Keyboard	110
6.11 Fan	114
6.12 Heat Sink	115
6.13 Processor	119
6.14 Internal Memory Module	121
6.15 Mini PCI Communications Card	123
6.16 Button Board	125
6.17 Display Assembly	127
6.18 Top Cover	133
6.19 TouchPad	137
6.20 Speaker	141
6.21 Infrared Board	143
6.22 System Board	145
6.23 Modem Board	148
6.24 RTC Battery	150
Specifications	152
Connector Pin Assignments	164
Screw Listing	170
Power Cord Set Requirements	190
3-Conductor Power Cord Set	190
General Requirements	191
Country/Region-Specific Requirements	192

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Maintenance and Service Guide

Removal and Replacement Procedures

8. Disconnect the display cable from the system board.

Disconnecting the Display Cable