Compaq Complete Maintenance & Service Guide for Presario 1800T Series

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Maintenance & Service Guide

Presario 1800 Series

Models: 1825 and 1800T

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Models and Features

Controls and Lights

Internet

Zone

Buttons and

Lights

Front Bezel Components

Left Side Components

Right Side Components

Bottom of Unit

Back Connectors

Port

Replicator

Components

Port

Replicator

Connectors

Power Management for Windows 98

Welcome to the Presario 1800 Series Maintenance and Service Guide. This online guide is designed to serve the needs of those whose job it is to repair Compaq products. The Notice contains the copyright and trademark information.

The Preface shows symbol conventions, Technician Notes and Serial Number locations on the unit.

This MSG will be periodically maintained and updated online as needed. For content comments or questions, contact Tech Support..

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

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Contents Page Page Preface SymbolsProduct Description Follow the Preliminary Steps TroubleshootingIllustrated Parts Catalog Serial Number Location Removal and Replacement ProceduresRemoval Sequence Specifications Connector Pin Assignments Increasing Battery Pack Operating Time Battery Pack OperationsConditioning a Battery Pack Disposing of a Used Battery PackModels and Features Models and FeaturesHard Drive CD or DVD Drive Modem Kbps Data/Fax with PCI NetworkingControls Lights Controls and LightsIntegrated Speakers Internet Zone Buttons Lights Internet Zone Buttons LightsFront Bezel Components Front Bezel ComponentsLeft Side Components Left Side Components with Diskette DriveLeft Side Components with LS120 Drive Right Side Components Right Side ComponentsBottom Unit Bottom of UnitBack Connectors Back ConnectorsPort Replicator Components Port Replicator ComponentsPort Replicator Connectors Port Replicator Back ConnectorsPower Management for Windows Run Computer Checkup Preliminary StepsClearing the Power-on Password Running Post Power-On Self Test PostComputer Checkup Test Compaq DiagnosticsShipping Preparation Contacting Compaq SupportDiagnostic Error Codes Before Replacing Parts Troubleshooting Without DiagnosticsSolving Minor Problems Solving Power Problems Solving PC Card ProblemsSolving Printer Problems Solving TouchPad/Pointing Device ProblemsSystem Unit System UnitBoards BoardsDescription Part Number Boards Display Assembly Display AssemblyMass Storage Devices Mass Storage DevicesDescription Spare Part Number Miscellaneous Cables Kit Miscellaneous Cables KitDescription Quantity Miscellaneous Hardware Kit Miscellaneous Hardware KitMiscellaneous Plastics Kit Miscellaneous Plastics KitMiscellaneous Parts Miscellaneous PartsDocumentation and Software Documentation and SoftwareGenerating Static Electrostatic DischargeReturn to Removal & Replacement Procedures Service ConsiderationsCables Cables and ConnectorsSelect the desired illustration Plastic PartsBack to Cables and Connectors Ribbon cable position for the hard drive Ribbon cable position for the DVD or CD drive Ribbon cable position for the diskette drive Ribbon cable position for the LS120 drive Back to Cables and Connectors Cable position for the modem Cable position for the Network Interface Card Ribbon cable position for the keyboard Preparing the Computer for Disassembly Removing the Battery Pack Removal & Replacement ProceduresPalmrest Cover with TouchPad Removing the Palmrest Cover with TouchPadRemoving Palmrest Cover with TouchPad Removal & Replacement Procedures Keyboard Removing the KeyboardStatus Panel Removing Status Panel AssemblyRemoving the Status Panel Assembly Removal & Replacement Procedures Return to Removal Replacement Procedures Removing Internet Button Board Removal & Replacement Procedures Removing the Heatspreader Removing the Network Interface Card Removing the Modem Removing Hard Drive Removing the Hard Drive Mounting Brackets DisqPlay Module Removing the DisqPlay ModuleRemoving the Processor Replacing the Processor DVD or CD Drive Removing the DVD or CD DriveRemoval & Replacement Procedures Return to Removal Replacement Procedures Remove the status panel assembly Removing Display Panel AssemblyRemoving the Display Panel Assembly Return to Removal & Replacement Procedures Upper CPU Cover Removing Upper CPU CoverFan Assembly Removing Fan AssemblyRemoving the Fan Assembly Removing the Diskette or LS120 Drive Return to Removal & Replacement Procedures Removing Battery Charger Board Remove the Upper CPU cover Removing the Speaker AssemblyRemoval Removing the System BoardRemove ten standoffs from the system board Removal & Replacement Procedures Remove four screws from the system board Before replacing Removing Memory Module Memory ModuleRemoving the Memory Module

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