HP Book 900 manual Removing Top Case Components, Removing Bottom Case Components

Page 48

Table 2-9. Removing Top Case Components

Component

Case, top

Keyboard

Support, touch-pad

Touch pad

Removal Procedures

See page 2-18.

See page 2-12.

Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16).

Top case (page 2-18).

Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16).

Top case (page 2-18).

Additional Steps (See figure on page 4-2)

1.Remove the screw holding the support plate to the top case.

2.Slide the support plate to the side and lift it out.

Reassembly Notes: Make sure the touch pad is seated properly before installing the support plate.

Press down on the support plate while sliding it into place. Make sure it is held down at the left and right edges.

Check the action of the click buttons before installing the top case.

1.Remove the screw holding the support plate to the top case.

2.Slide the support plate to the side and lift it out.

3.Lift out the touch pad and its flex cable.

Reassembly Notes: Make sure the touch pad is seated properly before installing the support plate.

Press down on the support plate while sliding it into place. Make sure it is held down at the left and right edges.

Check the action of the click buttons before installing the top case.

Table 2-10. Removing Bottom Case Components

Component

Case, bottom

CPU module

Door, module bay connector

Doors, PCMCIA

Fan

(12-inch display)

Fan

(13-inch display)

Removal Procedures

See page 2-20.

See page 2-14.

Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16).

CPU (page 2-14). Top case (page 2-18). Motherboard (page 2-20).

Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16).

Top case (page 2-18).

Keyboard (page 2-12).

Hard drive (page 2-6). Keyboard (page 2-12). Display (page 2-16).

Top case (page 2-18).

Additional Steps (See figure on page 4-2)

Peel the rubber door from the bottom case.

Reassembly Notes: Position the new door in the center of the opening before sticking it onto the bottom case.

Flex each door until one side tab releases. Reassembly Notes: See the figure on page 2-23.

Caution: Do not spin the fan blade with your finger. Pressure on the fan blade can damage the bearings.

1.Remove the eight screws (OmniBook 900†) or six screws and two springs (OmniBook 900B) from the heatsink and lift off the heatsink.

2.Remove the two screws (12-inch display) or one screw (13-inch display) holding the fan.

3.Unplug the fan cable from the motherboard and lift out the fan.

Reassembly Notes: The opening in the side of the fan faces the vent in the bottom case.

2-28 Removal and Replacement

HP OmniBook 900

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Contents HP OmniBook Edition History Contents Figures TablesHP OmniBook Introduction Sources of OmniBook InformationSource Address or NumberOmniBook 900 Models Product Comparisons Processor OmniBookMemory Display Features and Operation OmniBook Front ViewActivating Power Modes Turning the OmniBook On and OffChecking the Status of the OmniBook Main Status Lights MotherboardKeyboard Status Lights Motherboard Using Fn Hot Keys Resetting the OmniBookFn Hot Keys Hot KeySystem Resources System InterruptsSystem Memory System Input/Output Addresses 100-3FF 10. DMA ChannelsSpecifications 11. OmniBook 900 SpecificationsOnline Reference Guide 12. OmniBook 900 Accessories Accessory Description OmniBook Compatibility Docks900B 900† 4150 2100/7100 Replaceable Module Diagram Internal Design13. Functional Structure Docking portRemoval and Replacement Removal Cross-ReferenceRequired Equipment Recommended Screw TorquesScrew Thread Size M1.4 Torque kgfcm Torque lbfinRemoving the Battery Removal ProcedureReassembly Notes Installing a Battery PanelRAM Board Replacement Part Numbers Removing a RAM BoardPart Number Exchange Part NumberHard Disk Drive Replacement Part Numbers Removing the Hard Disk DriveExchange Information Removing the Hard Disk Drive Creating a Hibernate Partition Replacement Procedure Replacing Small PartsReplacing Small Parts User-Replaceable Cover, keyboard screw Door, hard disk FootRemoving the LCD Module Display Component CompatibilityRemoving 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 Removing the Bios IC 13. Example of Serial Number Label14. Removing the Bios IC Reassembly Notes Removing Other Components Cable, display power Case, display Hinge Latch, display LCD module Removal ProceduresRemoving Display Components Component Bezel, display Cable, display flexRemoving Top Case Components 10. Removing Bottom Case ComponentsSupport, hinge left Removal Procedures Component HeatsinkComponent Support, hinge right Removal Procedures Troubleshooting and Diagnostics Troubleshooting Troubleshooting the ProblemVerifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsTroubleshooting Suggestions SymptomStartup Power/Battery Call Center SuggestionsRepair Center Likely Causes Repair Center CommentsWhite display Erratic display Symptom Keyboard Pointing stick Call Center SuggestionsSerial/Parallel AC adapter MiscellaneousAccessories Diagnostic Tools OmniBook Diagnostic ProgramCreating a Diagnostic Floppy Disk Running the Diagnostic Test Serial number Audio deviceOmniBook Diagnostic Error Codes Code Suggestions System TestsHard Disk Tests Video Tests Acpi Tests Power-On Self-Test Post Terminal-Error Beep CodesPost Messages System battery is dead Replace and run Setup Message DescriptionEntering Setup Sycard PCCtest 450 CardBus Card Optional Lower slot PCT450 -b69 -0Installing the DMI Package Uninstalling the DMI PackageUsing the DMI Interface Desktop Management Interface DMIContents of the DMI Package Bios Setup Utility Running the Bios Setup UtilityBios Setup Menus and Parameters Main Menu DefaultSystem Devices Menu Default Security Menu DefaultPower Menu Boot Menu DefaultOB 900B On OB 900† Off Exit MenuReplaceable Parts Exploded View OmniBook Replaceable Parts IC, Bios Exchange User Part Number ReplExchange Part Number User Repl OmniBook 900B 900† Display Components Assembly-Component Breakdown Accessory Replaceable PartsReplaceable Parts HP OmniBook Part Number Reference Part Number ExchangeDescription User OmniBook Repl 900B 900† Yes HP OmniBook Replaceable Parts Replaceable Parts HP OmniBook Part Number Exchange Description User OmniBook Repl B 900†Page Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement Reference Information HP OmniBookOmniBook 900 LCD Guidelines TFT Type of ImperfectionElectrical Imperfections Mechanical ImperfectionsReference Information HP OmniBook Obsolete Repair Parts Obsolete PartsObsolete New Description Part Number Page Page Part Number F1770-90001
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