HP m300 manual Troubleshooting, Before Replacing Parts

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chapter 2

TROUBLESHOOTING

This chapter contains troubleshooting information for the Compaq ArmadaStation EM. Information on how to identify and correct some common hardware, memory, and software problems is included. Troubleshooting information is covered on the following topics:

■Docking and undocking

■Expansion board

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.

Follow these guidelines when troubleshooting:

■Complete the recommended actions in the order in which they are given.

■When the problem is resolved, stop performing the troubleshooting steps and do not complete the remaining recommended actions.

■Refer to Chapter 5 for any recommended removal and replacement procedures.

■If the problem is intermittent, check the ArmadaStation EM several times to verify that the problem is solved.

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.

■Verify that all required device drivers are installed.

Troubleshooting 2-1

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Contents Compaq ArmadaStation EM Maintenance and Service Guide Contents Appendix Technician Notes Using this GuideSymbols Serial Number Locating Additional InformationArmadaStation EM Features Product DescriptionSecurity Features External ConnectorsDescription Function ArmadaStation EM ComponentsArmadaStation EM Front Components Volume control switch ArmadaStation EM Right Side ComponentsArmadaStation EM Rear Panel Components ArmadaStation EM Rear Panel ComponentsMultiBay/Device Compatibility Activity LightsMultiBays DevicePCI Expansion Boards Half-Height BaySecurity Lock Troubleshooting Before Replacing PartsSolving Expansion Board Problems Problems and SolutionsSolving Docking and Undocking Problems Problem Probable Cause Recommended ActionsSolving Expansion Device Installation Problems Solving External Keyboard ProblemsSolving External Mouse Problems Solving External Monitor Problems Press any key or click the mouseIllustrated Parts Catalog Serial Number LocationCompaq ArmadaStation EM Components Compaq ArmadaStation EM ComponentsSpare Parts Compaq ArmadaStation EM Components DescriptionItem Description Plastics Kit ComponentsPlastics Kit Components Spare Part Number MultiBay Option Cable Kit MultiBay Option Cable Kit Components Spare Part NumberSpare Part Number MiscellaneousSpare Parts Miscellaneous not illustrated Removal and Replacement Preliminaries Electrostatic DischargeTypical Electrostatic Voltages Generating StaticPreventing Electrostatic Damage to Equipment Relative Humidity Event 10% 40% 55%Static Shielding Protection Levels Preventing Damage to DrivesGrounding Methods MethodGrounding Workstations Grounding EquipmentRecommended Materials and Equipment Screws Service ConsiderationsTool and Software Requirements Cables and Connectors Plastic PartsRemoval and Replacement Procedures Disassembly Sequence Chart Expansion Base Disassembly SequencePreparing the Expansion Base for Disassembly Disconnecting the Expansion BaseExternal Components Expansion Base FeetTray Removing the TrayConnector Cover Removing the Connector CoverRear Bezel Removing the Rear BezelSliding the Manual Release Lever PCI Expansion Boards Locating the Expansion Slots10.Removing the Expansion Slot Cover 11.Installing an Expansion Board Top Cover 12.Removing the Top Cover ScrewsSwing the top cover up and forward to remove it Figure Installing a Half-Height Drive Half-Height Bay15.Removing the Half-Height Bay Blank Bezel Cover 16.Removing the Half-Height Drive Screws 17.Attaching the Bezel Cage to the Half-Height Drive 18.Connecting the Power Cable 19.Connecting the Diskette Drive Cable 20.Connecting the Hard Drive Cable 21.Connecting the CD-ROM Drive/Audio Cable 22.Installing a Half-Height Drive Left Speaker 23.Removing the Left Speaker24.Disconnecting the Half-Height Bay and Left Speaker Cables MultiBay25.Removing the MultiBay and Control Panel Control Panel 26.Removing the Control PanelMechanism Assembly 28.Removing the Mechanism Assembly Power Supply 30.Removing the Power Supply Backplane 31.Removing the BackplaneMetric Expansion Base Physical and Environmental SpecificationsPecifications 2Specifications Table A-2 Microphone Jack Connector PIN AssignmentsTable A-1 Headphone Jack Table A-4 Table A-5 Serial ConnectorTable A-3 Table A-8 Stereo Line-in Jack Table A-6Table A-7 Stereo Line-out Jack Table A-13 Docking Connector Signal PinPDATA6 LD14 Pin Signal General Requirements Power Cord SET RequirementsConductor Power Cord Set Country Accredited Agency Applicable Note Numbers Conductor Power Cord Set Requirements-By CountryCountry-Specific Requirements Index PCI Index

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