Compaq Compaq Presario 7400 Series Manuel

United States

Maintenance and Service Guide

Compaq Presario 7400 Series Computers

Product Description

Troubleshooting

Illustrated Parts Catalog

Removal & Replacement

Procedures

Jumper & Switch Information

Specifications

See the Notice for copyright and trademark information, and the Preface for symbol conventions and

Technician Notes.

Download ZIP file of complete MSG to hard drive.

This MSG will be periodically maintained and updated as needed.

To report a technical problem, contact your Regional Support Center or IM Help Center.

For content comments or questions, contact the Editor.

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Maintenance and Service Guide

Compaq Presario 7400 Series Computers

MSG index Product Description Troubleshooting Illustrated Parts Catalog

Home Removal & Replacement Jumper & Switch Information Specifications

PRODUCT DESCRIPTION

Product Description

Models and features

CPU controls and lights

Keyboard

Creativity Action Center

Back components

Power cord requirements

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Maintenance and Service Guide

Compaq Presario 7400 Series Computers

MSG index Product Description Troubleshooting Illustrated Parts Catalog

Home Removal & Replacement Jumper & Switch Information Specifications

TROUBLESHOOTING

Troubleshooting

Clearing CMOS

Power-On Self Test

(POST)

Configuration

Diagnostics Software

Troubleshooting

without diagnostics

This section provides troubleshooting information for Compaq Presario 7400 Series

Personal Computers. Power-On Self-Test (POST) messages appear in tables.

The message and code tables include a description of the error, the probable cause,

and the recommended action that should be taken to resolve the error condition.

Adherence to the procedures and precautions described in this section is essential for

proper service.

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Maintenance and Service Guide
Compaq Presario 7400 Series Computers
MSG index Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications
ILLUSTRATED PARTS
NOTE: The computer serial number should be provided to Compaq whenever
requesting information or ordering spare parts.
Illustrated Parts
System unit
Mass storage devices
Cables
Standard board
Fax/modem
Keyboards
Monitors
Miscellaneous parts
Return kits
Documentation &
software
 
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Maintenance and Service Guide
Compaq Presario 7400 Series Computers
MSG index Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications
REMOVAL & REPLACEMENT PROCEDURES
This section provides general service information for Compaq 7400 Series Personal Computers. Adherence to the
procedures and precautions described in this section is essential for safe and proper service.
Removal Sequence
Before you begin
Serial number
Chassis
Power supply
Mass storage devices
Fax-modem
PCI bracket
System board
Instant On button board
Creativity Action Center
 
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Maintenance and Service Guide

Compaq Presario 7400 Series Computers

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Home Removal & Replacement Jumper & Switch Information Specifications

JUMPER & SWITCH INFORMATION - INDEX PAGE

Jumper & Switch Information

System board

Hard drive

CD drive

DVD drive

CD-RW

Zip drive (available on select

models)

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Maintenance and Service Guide
Compaq Presario 7400 Series Computers
MSG index Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications
SPECIFICATIONS - INDEX PAGE
This section provides physical, environmental, and performance specifications for Compaq 7400 Series Personal
Computers.
System
Power supply
Diskette drive
Hard drive
DVD drive
CD drive
Mouse
Fax-modem
Zip drive
 
 
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NOTICE

The information in this guide is subject to change without notice.

COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR

INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

This guide contains information protected by copyright. No part of this guide may be photocopied or reproduced in any form without prior written consent from

Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation. Windows 95 and Windows 98 are trademarks of Microsoft Corporation. The

software described in this guide is furnished under a license agreement or nondisclosure agreement. The software may be used or copied only in accordance

with the terms of the agreement. Product names mentioned herein may be trademarks and/or registered trademarks of their respective companies.

Online Maintenance and Service Guide

Compaq Presario 7400 Series Personal Computers

September 1999

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PREFACE

This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the

Compaq Presario 7400 Series Personal Computers.

Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 7400 Series Personal

Computers without notice.

Symbols

The following words and symbols mark special messages throughout this guide.

WARNING: Text set off in this manner indicates that failure to

follow directions in the warning could result in bodily harm or loss

of life.

CAUTION: Text set off in this manner indicates that failure to

follow directions could result in damage to equipment or loss of

data.

IMPORTANT: Text set off in this manner presents clarifying information or specific

instructions.

NOTE: Text set off in this manner presents commentary, sidelights, or interesting points of

information.

Technician Notes

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WARNING: Only authorized technicians trained by Compaq should repair

this equipment. All troubleshooting and repair procedures are detailed to

allow only subassembly/module level repair. Because of the complexity of

the individual boards and subassemblies, the user should not attempt to

make repairs at the component level or to make modifications to any printed

circuit board. Improper repairs can create a safety hazard. Any indications of

component replacement or printed circuit board modifications may void any

warranty.

Serial Number

When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The

serial number can be found on the front right side of the chassis (between the CD/DVD/Zip drives and the drive door

hinge) and also on the back of the computer above the power supply.

Locating Additional Information

The following documentation is available to support this product:

Compaq Presario documentation set■ Introducing Windows 98 Guide■ Service Training Guides■ Compaq Service Advisories and Bulletins■ Compaq QuickFind■ Compaq Service Quick Reference Guide■ Compaq Help Center■

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