HP nc6400 Service Manual.pdf

Maintenance and Service

Guide

HP Compaq nc6400 Notebook PC

Document Part Number: 406847-003

March 2007

This guide is a troubleshooting reference used for maintaining

and servicing the computer. It provides comprehensive

information on identifying computer features, components, and

spare parts; troubleshooting computer problems; and performing

computer disassembly procedures.

Microsoft, Windows, and Windows Vista are either trademarks or

registered trademarks of Microsoft Corporation in the United States or

other countries. Intel, Celeron, and Core are trademarks or registered

trademarks of Intel Corporation or its subsidiaries in the United States and

other countries. Bluetooth is a trademark owned by its proprietor and used

by Hewlett-Packard Company under license. SD Logo is a trademark of its

proprietor. Java is a trademark of Sun Microsystems, Inc. AMD, the AMD

Arrow logo and combinations thereof are trademarks of Advanced Micro

Devices, Inc.

The information contained herein is subject to change without notice. The

only warranties for HP products and services are set forth in the express

warranty statements accompanying such products and services. Nothing

herein should be construed as constituting an additional warranty. HP shall

not be liable for technical or editorial errors or omissions contained herein.

Maintenance and Service Guide

HP Compaq nc6400 Notebook PC

Third Edition: March 2007

First Edition: May 2006

Document Part Number: 406847-003

Safety warning notice

overheating the computer, do not place the computer directly on your

lap or obstruct the computer air vents. Use the computer only on a hard,

flat surface. Do not allow another hard surface, such as an adjoining

optional printer, or a soft surface, such as pillows or rugs or clothing, to

block airflow. Also, do not allow the AC adapter to contact the skin or

a soft surface, such as pillows or rugs or clothing, during operation. The

computer and the AC adapter complies with the user-accessible surface

temperature limits defined by the International Standard for Safety of

Information Technology Equipment (IEC 60950).

Å WARNING: To reduce the possibility of heat-related injuries or of

Contents

1 Product Description

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6

1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–24

2Troubleshooing

2.1 Starting Computer Setup . . . . . . . . . . . . . . . . . . . . . . 2–1

Navigating and selecting in Computer Setup . . . . . . 2–2

Restoring Factory Settings in Computer Setup. . . . . 2–3

File Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

Security Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5

Diagnostics Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7

System Configuration Menu . . . . . . . . . . . . . . . . . . . 2–7

2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . 2–10

Maintenance and Service Guide

Contents

3 Illustrated Parts Catalog

3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1

3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2

3.3 Display Assembly Components . . . . . . . . . . . . . . . 3–16

3.4 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–18

3.5 Cable Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–19

3.6 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–20

3.7 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–21

3.8 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–23

4 Removal and Replacement Preliminaries

4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

4.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . 4–2

Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.3 Preventing Damage to Removable Drives . . . . . . . . 4–3

4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . 4–4

4.5 Packaging and Transporting Precautions . . . . . . . . . 4–5

4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–6

4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–7

Maintenance and Service Guide

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