HP Book 900 manual Troubleshooting and Diagnostics

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Troubleshooting and Diagnostics

This chapter includes troubleshooting and diagnostic information for testing the functionality of the OmniBook and identifying faulty modules:

∙Troubleshooting information Troubleshooting the problem (page 3-2). Verifying the repair (page 3-3). Suggestions for troubleshooting (page 3-4).

∙Diagnostic tools

OmniBook hardware diagnostic program (page 3-12).

Power-on self-test (page 3-18).

Sycard PCCtest 450 PC Card (page 3-21).

Desktop Management Interface (page 3-22).

çBIOS Setup utility (page 3-24).

Caution

Do not unnecessarily remove the CPU module from the motherboard. The CPU connector is easily damaged during removal and insertion.

HP OmniBook 900

Troubleshooting and Diagnostics

3-1

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Contents HP OmniBook Edition History Contents Tables FiguresHP OmniBook Address or Number IntroductionSources of OmniBook Information SourceOmniBook 900 Models Product Comparisons Processor OmniBookMemory Display OmniBook Front View Features and OperationTurning the OmniBook On and Off Activating Power ModesChecking the Status of the OmniBook Main Status Lights MotherboardKeyboard Status Lights Motherboard Hot Key Using Fn Hot KeysResetting the OmniBook Fn Hot KeysSystem Resources System InterruptsSystem Memory 10. DMA Channels System Input/Output Addresses 100-3FF11. OmniBook 900 Specifications SpecificationsOnline Reference Guide 12. OmniBook 900 Accessories Accessory Description OmniBook Compatibility Docks900B 900† 4150 2100/7100 Internal Design Replaceable Module DiagramDocking port 13. Functional StructureRemoval Cross-Reference Removal and ReplacementTorque kgfcm Torque lbfin Required EquipmentRecommended Screw Torques Screw Thread Size M1.4Removal Procedure Removing the BatteryInstalling a Battery Panel Reassembly NotesExchange Part Number RAM Board Replacement Part NumbersRemoving a RAM Board Part NumberHard Disk Drive Replacement Part Numbers Removing the Hard Disk DriveExchange Information Removing the Hard Disk Drive Creating a Hibernate Partition Cover, keyboard screw Door, hard disk Foot Replacement ProcedureReplacing Small Parts Replacing Small Parts User-ReplaceableDisplay Component Compatibility Removing the LCD ModuleRemoving the LCD Module Removing the Keyboard Removing the Keyboard Reassembly Notes Removing the CPU Module Removing the CPU Module Reassembly Notes Removing the Display Assembly Removing the Display Assembly Reassembly Notes Removing the Top Case 10. Removing the Top Case Reassembly Notes Removing the Motherboard or Bottom Case 11. Removing the Motherboard Reassembly Notes Installing a New Serial Number Label 13. Example of Serial Number Label Removing the Bios IC14. Removing the Bios IC Reassembly Notes Removing Other Components Component Bezel, display Cable, display flex Cable, display power Case, displayHinge Latch, display LCD module Removal Procedures Removing Display Components 10. Removing Bottom Case Components Removing Top Case ComponentsComponent Heatsink Support, hinge left Removal ProceduresComponent Support, hinge right Removal Procedures Troubleshooting and Diagnostics Troubleshooting the Problem TroubleshootingVerifying the Repair Scope of Diagnostic Tools Suggestions for TroubleshootingTroubleshooting Suggestions SymptomStartup Repair Center Comments Power/BatteryCall Center Suggestions Repair Center Likely CausesWhite display Erratic display Pointing stick Call Center Suggestions Symptom KeyboardSerial/Parallel Miscellaneous AC adapterAccessories Diagnostic Tools OmniBook Diagnostic ProgramCreating a Diagnostic Floppy Disk Serial number Audio device Running the Diagnostic TestCode Suggestions System Tests OmniBook Diagnostic Error CodesHard Disk Tests Video Tests Acpi Tests Power-On Self-Test Post Terminal-Error Beep CodesPost Messages Message Description System battery is dead Replace and run SetupEntering Setup Lower slot PCT450 -b69 -0 Sycard PCCtest 450 CardBus Card OptionalDesktop Management Interface DMI Installing the DMI PackageUninstalling the DMI Package Using the DMI InterfaceContents of the DMI Package Main Menu Default Bios Setup UtilityRunning the Bios Setup Utility Bios Setup Menus and ParametersSecurity Menu Default System Devices Menu DefaultExit Menu Power MenuBoot Menu Default OB 900B On OB 900† OffReplaceable Parts Exploded View OmniBook Replaceable Parts Exchange User Part Number Repl IC, BiosExchange Part Number User Repl OmniBook 900B 900† Display Components Accessory Replaceable Parts Assembly-Component BreakdownReplaceable Parts HP OmniBook Part Number Reference Part Number ExchangeDescription User OmniBook Repl 900B 900† Yes HP OmniBook Replaceable Parts Replaceable Parts HP OmniBook Repl B 900† Part Number Exchange Description User OmniBookPage Reference Information Password Removal PolicyReference Information HP OmniBook Hewlett-Packard Display Quality StatementMechanical Imperfections OmniBook 900 LCD Guidelines TFTType of Imperfection Electrical ImperfectionsReference Information HP OmniBook Obsolete Repair Parts Obsolete PartsObsolete New Description Part Number Page Page Part Number F1770-90001