HP 1630 manual Troubleshooting Without Diagnostics, Before Replacing Parts

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Maintenance & Service Guide

Presario 1600 Series Portable Computers

Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog

Removal & Replacement Procedures Specifications Connector Pin Assignments Battery Pack

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

When troubleshooting a problem, check the following list for possible solutions 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 Maintenance and Service GuideTechnician Notes Serial Number SymbolsPreface Locating Additional InformationProduct Description Compaq Presario 1600 Series Portable ComputersTroubleshooting Illustrated Parts Catalog Removal & Replacement Procedure Serial Number LocationSerial Number Location Specifications Connector Pin Assignments Battery Pack Models & Features FeaturesModels Front of Unit Front of UnitLeft Side Components Left Side ComponentsRight Side Components Right Side ComponentsBottom Of Unit Clearing the Power-On Password DiagnosticClearing the Power-On Password Preliminary StepsPower On Self Test Post Running PostTroubleshooting Without Diagnostics Before Replacing PartsKeyboard Solutions Solving Minor ProblemsSolving Keyboard/Numeric Keypad Problems Hard Drive Solutions Solving Hard Drive ProblemsSolving Hard Drive Problems Probable Cause Solutions Diskette Solutions Format aSolving Audio Problems ProblemSolving Audio Problems Probable Cause Solutions Solving Battery Pack and Battery Gauge Problems Solving Power Problems Power SolutionsSolving Power Problems Problem Probable Cause SolutionsCD Drive Solutions Solving CD Drive ProblemsSolving CD Drive Problems Probable Cause Solutions Hardware Installation Solutions Solving Hardware Installation ProblemsMemory Solutions Solving Memory ProblemsProblem Solving Memory Problems Probable Cause Solutions Solving PC Card Problems Probable Cause Solutions PC Card SolutionsSolving PC Card Problems Global Settings tab,Printer Solutions Solving Printer ProblemsTouch Pad Solutions Solving Touch Pad/Pointing Device ProblemsSolving Touch Pad/Pointing Device Problems Cause Solutions Error Codes System Unit Description Spare Part NumberBoards LCDDisplay Mass Storage Devices AC Power Cords Not Shown Description Spare Part Number CablesModem Cables Description Spare Part Number Miscellaneous Hardware and Screws Miscellaneous Parts Description SpareReturn Kits Description Quantity Electrostatic Discharge Service Considerations Tool and Software RequirementsScrews Cable Positions Cables and ConnectorsSpeaker Assembly Cable Installation Plastic PartsChart SequenceRemoving the Battery Pack Removing The Palmrest Cover with Touch Pad Removing the Screws from the Palmrest Cover with Touch PadRemoving the Palmrest Cover with Touch Pad Disconnecting the Palmrest Cover with Touch Pad Removing The Keyboard Removing the Keyboard Removing The Heatspreader Removing Screws and HeatspreaderRemoving The Status Panel Releasing and Removing the Status Panel CoverBack to Preparing Computer for Disassembly Removing The Interface Board Removing the Screws from the Interface BoardMaintenance & Service Guide Removing the Interface Board with Header Attached Interface Board Components Designator Connector Interface BoardInterface Board Components Removing The Hard Drive Disconnecting the Hard Drive Data Cable from the Hard Drive Removing The Battery Charger Board Removing the Screws and the Battery ChargerBoard Removing The CD Drive Removing the Screws from the CD DriveOpening the CD Drive Tray Releasing the Lever Disconnecting the CD Drive Cable from the CD Drive Removing The Display Assembly Hard Drive Removing the Hinge CoversRemoving Screws from the Display Assembly Removing the Display Assembly with Flex Cable Attached Removing The Plastic Subpanel Assembly Removing the Screws from the Plastic Subpanel AssemblyReleasing the Plastic Subpanel Assembly Removing the Plastic Subpanel Assembly from the Chassis Disconnecting the CD Drive Cable from the System Board Removing The CD Drive CableRemoving The Speaker Assembly Removing the Screws from the CD Guide Support BracketCable routing Assembly Removing the Modem from the Chassis Removing The ModemDisconnecting the Modem Cable from the Modem Disconnecting the Diskette Drive Cable from the System Board Removing The Diskette DriveRemoving the Diskette Drive Standoff Remove the Diskette Drive from the Chassis Removing The Fan Removing The Audio Assembly Board Status Panel Removing the Screws and Audio Assembly BoardRemoving The System Board Removing the Screws and Standoffs from System Board Maintenance & Service Guide Dip Switch Settings CPU Core Voltage SettingDip Switch System Board Settings Removing The Memory Module Removing the Screw from the Memory Module DoorRemoving the Memory Module from the System Board Rear Connectors Rear ConnectorsPort Replicator System OverviewPower Management Port Replicator Rear Connectors Port Replicator Rear ConnectorsPin Connectors
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