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Compaq PRESARIO Presario 1255 User Manual

Compaq PRESARIO Presario 1255
96 pages
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United States January 3, 2003
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Presario 1200 Series
Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
Before You Begin Specifications Parts Catalog
Removal Sequence Troubleshooting Battery Operations
Product Description Pin Assignments
Index
Before You Begin
Notice
Preface
Product
Description
Troubleshooting
Illustrated Parts
Catalog
Removal &
Replacement
Procedures
Specifications
Connector Pin
Assignments
Battery Pack
Operations
Presario 1200 Series
This online guide is designed to serve the needs of those whose
job it is to repair Compaq products.
This Guide will be periodically maintained and updated online as
needed.
For content comments or questions, contact
Compaq.
To report a technical problem, contact your Regional Support
Center or IM Help Center.
1.800.AT.COMPAQ
privacy and legal statement

Table of Contents

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Compaq PRESARIO Presario 1255 Specifications

General IconGeneral
BrandCompaq
ModelPRESARIO Presario 1255
CategoryLaptop
LanguageEnglish

Summary

Before You Begin

Notice

Disclaimer about changes and liability.

Copyright and Trademarks

Legal information about copyright and trademarks.

Preface

Introduction to the guide and its purpose.

Symbols

Explanation of warning, caution, and note symbols.

Technician Notes

Notes for authorized technicians.

Serial Number

Information about the serial number.

Locating Additional Information

References to other documentation.

Product Description

Models and Features

Overview of features across different models.

Controls and Lights

Description of front panel components and indicators.

Left Side Components

Identification of components on the left side of the laptop.

Right Side Components

Identification of components on the right side of the laptop.

Bottom of Unit

Identification of components located on the bottom of the laptop.

Rear Connectors

Identification of rear ports and connectors on the laptop.

Power Management for Windows 98

Overview of power management features for Windows 98.

Troubleshooting

Preliminary Steps

Initial steps to perform before running diagnostics.

Power-On Self Test (POST)

Information about POST and error messages.

Power-On Self-Test Messages

Lists common POST errors and recommended solutions.

Clearing the Power-on Password

Procedure to reset the computer's power-on password.

Compaq Diagnostics

Overview of available diagnostic utilities.

Perform Computer Checkup (TEST)

Steps to run the computer checkup utility.

View System Information (INSPECT)

Steps to view system information.

Diagnostic Error Codes

Table of diagnostic error codes and their meanings.

Troubleshooting Without Diagnostics

Common problems and solutions without diagnostics.

Solving Minor Problems

General troubleshooting for common hardware/software issues.

Solving PC Card Problems

Troubleshooting specific to PC Card issues.

Solving Power Problems

Troubleshooting related to power supply and battery issues.

Solving Printer Problems

Troubleshooting common printer issues.

Solving Touch Pad/Pointing Device Problems

Troubleshooting touch pad and mouse issues.

Contacting Compaq Support

Information needed before contacting support.

Shipping Preparation

Steps for preparing the computer for shipping.

Removal Sequence

Serial Number Location

Location of the serial number on the computer.

Electrostatic Discharge

Precautions for handling static electricity.

Generating Static

Table of typical electrostatic voltages.

Service Considerations

General considerations for disassembly and re-assembly.

Tool and Software Requirements

Tools and software needed for service.

Screws

Notes on screw identification and handling.

Cables and Connectors

Handling precautions for cables and connectors.

Plastic Parts

Handling precautions for plastic parts.

ZIF Connectors

Instructions for handling Zero Insertion Force connectors.

Preparing the Computer for Disassembly

Steps to take before beginning disassembly.

Removing the Battery Pack

Procedure to remove the battery pack.

Removing the Palmrest Cover with Touch Pad

Procedure to remove the palmrest cover.

Removing the Heatspreader

Procedure to remove the heatspreader.

Removing the Keyboard

Procedure to remove the keyboard.

Removing the Processor

Procedure to remove the processor.

Dip Switch Settings

Information on dip switch settings for models.

Removing the Hard Drive

Procedure to remove the hard drive.

Removing the CD Drive

Procedure to remove the CD drive.

Removing the Battery Charger Board

Procedure to remove the battery charger board.

Removing the Modem

Procedure to remove the modem.

Removing the Display Panel Assembly

Procedure to remove the display panel assembly.

Removing the Upper CPU Cover

Procedure to remove the upper CPU cover.

Removing the Speaker Assembly

Procedure to remove the speaker assembly.

Removing the Diskette Drive

Procedure to remove the diskette drive.

Removing the Fan Assembly

Procedure to remove the fan assembly.

Removing the System Board

Procedure to remove the system board.

Removing the Memory Module

Procedure to remove the memory module.

Parts Catalog

System Unit

Lists parts for the main system unit.

Boards

Lists various circuit boards.

Display Assembly

Lists parts for the display assembly.

Mass Storage Devices

Lists hard drive and CD drive parts.

Miscellaneous Cable Kit

Lists various cable kits.

Cables

Lists individual cables like power and modem.

Miscellaneous Hardware and Plastics Kit

Lists hardware and plastic components.

Miscellaneous Parts

General miscellaneous parts.

Documentation and Software

Lists manuals and software.

Specifications

Physical and Environmental

Technical specs for dimensions, weight, power, temp, etc.

System Interrupts

Mapping of hardware IRQs to system functions.

System DMA

Mapping of hardware DMA channels to system functions.

System I/O Address

I/O addresses and their system functions.

System Memory Catalog

Memory address map for system functions.

Display

Detailed specifications for different display types.

Memory Expansion

Configurations for system memory and expansion.

Battery Pack

Specifications for NiMH and Li-ion battery packs.

Diskette Drive

Technical specifications for the diskette drive.

Hard Drives

Specifications for various hard drive capacities.

CD Drive

Specifications for the 24x CD Drive.

Pin Assignments

Parallel Connector

Pin assignments for the parallel port.

Serial Connector

Pin assignments for the serial port.

Keyboard/Mouse Connector

Pin assignments for keyboard/mouse port.

External VGA Monitor

Pin assignments for the VGA monitor port.

Universal Serial Bus

Pin assignments for USB ports.

Modem

Pin assignments for the modem connector.

Battery Operations

Increasing Battery Pack Operating Time

Tips to extend battery life.

Conditioning a Battery Pack

Procedure to condition the battery.

Disposing of a Used Battery Pack

Information on recycling battery packs.

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