Compaq 305 specifications Troubleshooting

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Presario 305 Model

Before You Begin		Specifications		Parts Catalog


Removal Sequence		Troubleshooting		Battery Operations

				Index
Product Description		Pin Assignments		Index

Troubleshooting

Preliminary

Steps

Clearing the

Power-On

Password

Power-OnSelf

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

305 Model Portable Computer. The basic steps in troubleshooting include:

1.Follow the Preliminary Steps.

2.Run the Power-On Self 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, check the NOTE: computer several times to verify that the

problem is solved.

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Contents Before You Begin IndexMaintenance and Service Guide Symbols PrefaceProduct Description Models and Features Models and FeaturesUpper Unit Components Upper Unit ComponentsFront Components Front ComponentsLeft Side Components Left Side ComponentsRight Side Components Right Side ComponentsBottom of Unit Bottom UnitRear Connectors Rear ConnectorsMulti-media Expansion Base Multi- media Expansion UnitPower Management for Windows Power Management SettingsRemoving the Battery Pack Battery PackBack to step Removing the Multi-media Expansion unit Multi-media Expansion UnitSerial Number Location Serial Number LocationPreparing for Disassembly Preparing for DisassemblyRelative Humidity Event 10% 40% 55% Removal and Replacement ProceduresGenerating Static Removal Sequence Tool and Software Requirements Cables and Connectors Plastic PartsZIF Connectors Display Panel Cable Location Inverter Cable Location Audio Cable Location Touchpad Cable Location Fan Cable Location Light Board Cable Location Speaker Cable Location Battery Cable Location Removing the Hard Drive Hard DriveTo replace the hard drive, reverse the removal procedures Removing the Modem Card Modem CardRemoving the Modem Card Removing the RTC Battery RTC BatteryRemoving the Keyboard KeyboardZIF connector Removing the Memory Board Memory BoardRemoving the Switch Cover Switch CoverPosition the computer so the front faces forward Removing the Display Panel Display PanelTo replace display panel, reverse the removal procedures Removing the Deck DeckRemove seven screws T8 from the underside of the unit Insertion Force Connector Back to step Removing the Voltage Converter Board Voltage Converter BoardBack to step Removing the Modem Connector Board Modem Connector BoardRemoving the PC Card PC CardRemoving the PC Card Assembly PC Card AssemblyRemoving the System Board System BoardBefore You Begin Specifications Back to step Troubleshooting Use AC power when running POST, Computer Preliminary StepsPower-On Self Test Post Running PostClearing the Power-on Password Compaq Diagnostics Computer SetupComputer Checkup Test View System Information InspectContacting Compaq Support Shipping PreparationDiagnostic Error Codes ProceduresDiagnostic Error Codes Troubleshooting Without Diagnostics USBProbable Cause Solving Minor ProblemsProblem Display Problems Global Settings tab, the enable Problem Cause SolutionsInfrared Problems Battery Pack Operating Time Connector Pin Assignments Connector Pin SignalIllustrated Parts Catalog System Components System Unit Description Part NumberExternal Cables Miscellaneous Plastics Kit Description PartScrew Kit Miscellaneous Parts DescriptionDocumentation and Software Suffix MonthSpecifications Physical and EnvironmentalSystem I/O Address Diskette Drive