HP 1630 manual Power Solutions, Solving Power Problems, Problem Probable Cause Solutions

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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

Power Solutions

Solving Minor Problems

Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.

Solving Power Problems

Also see Solving Battery and Battery Gauge Problems.

 

Solving Power Problems

Problem

Probable Cause

Solution(s)

Computer won't turn on and battery pack is not inserted*.

The computer doesn't timeout while on AC power

Computer is not connected to a power source.

Power cords to the external power source are unplugged.

Power adapter is defective.

The system is designed not to timeout while on AC power.

Insert battery or connect an external power source.

Ensure that power cords connecting the computer and the external power source are plugged in properly.

Replace AC Adapter and restart.

Windows will spin down the hard drive. Windows can be configured to power off the monitor using the display properties control panel applet. Alternatively, the user can change "BIOS-PM on AC" in the BIOS setup.

Computer turned off while it was left unattended and the power icon is off.

System board is defective.

Replace the system board.

System initiated Hibernation

Replace the battery pack with

due to a critical low-battery

a fully charged battery pack

condition.

or connect the computer to

 

an external power source.

 

Then turn on the computer.

System initiated Hibernation

Turn on the computer.

after a preset timeout.

 

*In rare cases, it may be necessary to remove the power cord and the battery, wait 30 seconds, and reinsert the power cord to power on the unit. The above steps reset the keyboard controller which is usually always powered, even when the computer appears to be off.

Back to Troubleshooting Without Diagnostics

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Contents Maintenance & Service Guide Maintenance & Service Guide Maintenance and Service GuideSymbols PrefaceTechnician Notes Serial Number 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 Diagnostic Clearing the Power-On PasswordClearing 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 Power Solutions Solving Power ProblemsSolving 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 PC Card Solutions Solving PC Card ProblemsSolving PC Card Problems Probable Cause Solutions 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 Cables and Connectors Speaker Assembly Cable InstallationCable Positions 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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