HP 1230 manual Troubleshooting Without Diagnostics, Before Replacing Parts

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Maintenance & Service Guide

Presario 1200 Series

Models: 1230 and 1232

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

Troubleshooting Without Diagnostics

This section provides information about how to identify and correct some common hardware, memory, and software problems. It also explains several types of common messages that may be displayed on the screen. The following pages contain troubleshooting information on:

Audio

Memory

Battery/Battery gauge

PC Card

CD drive

Power

Diskette/Diskette drive

Printer

Display

Touch Pad

Hard drive

Keyboard/Numeric keypad

Hardware Installation

 

Since symptoms can appear to be similar, carefully match the symptoms of the computer malfunction against the problem description in the Troubleshooting tables to avoid a misdiagnosis.

WARNING: To avoid a potential shock hazard during troubleshooting procedures, disconnect all power sources before removing the keyboard cover or the display bezel.

Before Replacing Parts

Verify that cables are connected properly to the suspected defective parts.

Run Computer Setup after connecting external devices.

Verify that all required device drivers are installed.

Verify that all required changes have been made to the CONFIG.SYS file.

Verify that all required changes have been made to the AUTOEXEC.BAT file.

Verify that all printer drivers have been installed for each application.

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Contents Maintenance & Service Guide Maintenance & Service Guide Preface SymbolsCompaq Presario Product DescriptionFollow the Preliminary Steps Run the Power-OnSelf-Test Post TroubleshootingIllustrated Parts Catalog Serial Number Location Removal and Replacement ProceduresSpecifications Connector Pin Assignments Battery Pack Operating Time Processor Models and FeaturesHard Drive Front of Unit Controls and LightsLeft Side Components Right Side Components Bottom of Unit Rear Connectors Power Management for Windows Operations Run Computer Checkup Preliminary StepsRunning Post Power-On Self Test PostClearing the Power-on Password Computer Checkup Test Compaq DiagnosticsView System Information Inspect Shipping Preparation Contacting Compaq SupportProcedures Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Minor Problems Solving Power Problems Solving PC Card ProblemsSolving Printer Problems Solving Touch Pad/Pointing Device ProblemsDescription Spare Part Number System UnitDescription Spare Part Number BoardsHPA Mass Storage Devices Miscellaneous Cables Kit Spare Part Number 330946-001 Miscellaneous Cables KitDescription Quantity Modem Cables Spare Part Number DescriptionMiscellaneous Hardware and Plastics Kit Spare Part Number Miscellaneous Hardware and Plastics KitDescription Spare Part Number Miscellaneous PartsQuickFind Part Number Suffix Month Documentation and SoftwareGenerating Static Electrostatic DischargeService Considerations Cables Cables and ConnectorsSelect the desired illustration Plastic PartsZIF Connectors Ribbon cable position for the 2.1-GB or 3.2 hard Drive Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Preparing the Computer for Disassembly Removing the Battery Pack Return to Removal Replacement Procedures Removing the Palmrest Cover with Touch Pad Prepare the computer for disassemblyMaintenance & Service Guide Removing the Heatspreader Removing the Keyboard Return to Removal Replacement Procedures Removing the Processor To replace the processor complete the following steps Removing the 3.2-GB or 2.1-GB Hard Drives Maintenance & Service Guide Reverse the previous procedures Removing the CD Drive Maintenance & Service Guide Presario 1200 Series Models 1230 Return to Removal Replacement Procedures Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous procedures Removing the Display Panel Assembly Maintenance & Service Guide Maintenance & Service Guide Maintenance & Service Guide Return to Removal Replacement Procedures Removing the Upper CPU Cover Removing the Speaker Assembly Removing the Diskette Drive Return to Removal Replacement Procedures Removing the Fan Assembly Maintenance & Service Guide Removing the System Board Remove three standoffs from the system board Maintenance & Service Guide Remove three screws from the system board Return to Removal & Replacement Procedures Removing the Memory Module Return to Removal Replacement Procedures
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