HP 1660 manual Troubleshooting, Follow the Preliminary Steps

Page 5

Maintenance & Service Guide

Presario 1660 Model

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

Troubleshooting

Preliminary

Steps

Clearing the

Power-On

Password

Power-On Self Test (POST)

Compaq

Diagnostics

Diagnostic Error Codes

Troubleshooting

Without

Diagnostics

Solving Minor Problems

Contacting

Compaq

Support

This section covers troubleshooting information for the Compaq Presario 1660 Model Portable Computer. The basic steps in troubleshooting include:

1.Follow the Preliminary Steps.

2. Run the Power-OnSelf-Test (POST).

3.Follow the recommended actions described in the diagnostic tables, if you are unable to run POST or if POST displays an error message.

When following the recommended actions in the Sections on POST and Diagnostic Error Codes perform them in

the order listed. Rerun POST after each recommended action until the problem is solved and no error message occurs. Once the problem is solved, do not complete the remaining recommended actions.

If the problem is intermittent, NOTE: check the computer several

times to verify that the problem is solved.

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Contents Maintenance & Service Guide Presario 1660 Model Maintenance & Service GuidePreface SymbolsCompaq Product DescriptionFollow the Preliminary Steps TroubleshootingIllustrated Parts Catalog Serial Number Location Removal and Replacement ProceduresParallel Connector Pin Signal Connector Pin AssignmentsIncreasing Battery Pack Operating Time Battery Pack Operating TimeModels and Features Controls and Lights Front Bezel Buttons Front Bezel Lights Left Side Components Right Side Components Bottom of Unit Rear Connectors Power Management Settings Power Management for WindowsRun Computer Checkup Preliminary StepsClearing the Power-on Password Running Post Power-On Self Test PostComputer Setup Compaq DiagnosticsShipping Preparation Contacting Compaq SupportProcedures Diagnostic Error CodesHard Drive Test Error Codes Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsAudio Problems Solving Minor ProblemsDisplay Problems Solving Minor ProblemsSolving Minor Problems Illustrated Parts Catalog Illustrated Parts Catalog Illustrated Parts Catalog Removal and Replacement Procedures Generating Static Electrostatic DischargeService Considerations Cables and Connectors ZIF Connectors Back to Cables Connectors Back to Cables and Connectors Ribbon cable position for the diskette drive Back to Cables Connectors Preparing the Computer for Disassembly Removing the Battery Pack Return to Removal Replacement Procedures Prepare the computer for disassembly Removing the Palmrest AssemblyRemoving the Palmrest Assembly Removing the Palmrest Assembly Removing the Keyboard and Heatspreader Next step Return to Removal Replacement Procedures To reinsert the processor Removing the ProcessorRemoving the Hard Drive Removing the mounting bracket Bracket, reverse the previous steps Removing the Upper CPU Cover Removing the DVD Drive Removing the DVD Drive Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous steps Removing the Display Panel Assembly Slide the cable out of the connector cable guide Removing the Display Panel Assembly Removing the Display Panel Assembly Return to Removal Replacement Procedures Removing the Speaker Assembly Speakers Removing the Diskette DriveReturn to Removal & Replacement Procedures Removing the Fan Assembly Removing the System Board Return to Removal Replacement Procedures Remove the two long standoff nuts from the system board Removing the System Board Remove four screws from the system board Removing the System Board Return to Removal & Replacement Procedures Removing the Memory Module Return to Removal Replacement Procedures Physical and Environmental SpecificationsSystem I/O Address SpecificationsDiskette Drive Illustrated Parts Catalog Illustrated Parts Catalog AC Power Cord Miscellaneous Hardware Kit Spare Part Number Other parts not shown Description

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