HP book XE2 manual Removing the Top Case

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Removing the Top Case

(HP Authorized Service Providers Only)

Required Equipment

Small Phillips screwdriver.

Pointed knife or probe.

Small flat-blade screwdriver.

Removal Procedure

1.Unplug the AC adapter, if present, and remove the battery.

2.Remove these additional assemblies:

Hard disk drive (page 2-6).

Fan (page 2-7).

Keyboard (page 2-9).

Display assembly (page 2-11).

3.Using the Phillips screwdriver, remove four screws on the top case: two on either side of the fan location, one toward the top right, and one (recessed) next to the touch pad

Cables

Cable connectors

Figure 2-9. Removing the Top Case

HP OmniBook XE2

Removal and Replacement 2-15

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Contents Page Edition History Contents Tables FiguresHP OmniBook XE2 Address or Number IntroductionSources of OmniBook Information SourceOmniBook XE2 OmniBook Front View Features and OperationOmniBook Bottom View OmniBook Status Lights Turning the OmniBook On and OffActivating Power Modes Status Lights LED PCA Checking the Status of the OmniBookHot Key Using Fn Hot KeysResetting the OmniBook Fn Hot Keys00000 9FFFF A0000 Bffff C0000 Cffff D0000 Dbfff System ResourcesSystem Interrupts System MemoryDMA Channels System Input/Output Addresses 100-3FFOmniBook XE2 Specifications SpecificationsSoftware Security Features Environmental Limits Major ICs Internal Design Replaceable Module DiagramDocking port 10. Functional StructurePage Removal Cross-Reference Torque kgfcm Torque lbfin Recommended Screw TorquesScrew Thread Size Required Equipment Removing the BatteryRemoval Procedure Product Number RAM Board Replacement Part NumbersRemoving a RAM Board DescriptionReleasing the RAM Module Latches Reassembly Notes Exchange Part Number Hard Disk Drive Replacement Part NumberRemoving the Hard Disk Drive Part NumberPart Feet RAM Module Cover Replacement ProcedureReplacing Small Parts Replacing Small Parts User-ReplaceableRemoving the Fan HP Authorized Service Providers OnlyRemoving the Keyboard Cover and Screws Removing the KeyboardInstalling the Keyboard Reassembly Notes Removing the Display Assembly Reassembly Notes Removing the Display Assembly Removing the LCD Module Removing the LCD Module Reassembly Notes Removing the Top Case Removing the Top Case10. Detaching the Bottom Case Technology Code DD Removing the CPU and Motherboard11. Removing the CPU and Motherboard Storing the Serial Number Electronically Installing a New Serial Number Label Removing Bottom Case Components Removing Other ComponentsRemoving Display Components Removing Top Case ComponentsLED PCA Modem PCA Motherboard RAM Board Removal ProceduresHP OmniBook XE2 Troubleshooting and Diagnostics Troubleshooting the Problem TroubleshootingVerifying the Repair Bios Setup Suggestions for TroubleshootingScope of Diagnostic Tools Power-On DMI/TopTools Self-Test If installedStartup Troubleshooting SuggestionsSymptom Repair Center Comments Power/BatteryCall Center Suggestions Repair Center Likely CausesTouch pad Floppy drive Call Center SuggestionsSerial/Parallel Miscellaneous Accessories Creating a Diagnostic Floppy Disk Diagnostic ToolsOmniBook Diagnostic Program Enter Running the Diagnostic TestCode Suggestions System Tests OmniBook Diagnostic Error CodesHard Disk Tests SMBus Tests IR Tests FIR enabled, undocked Power-On Self-TestPost Description Post Terminal-Error Beep CodesPost Messages Beep Codes02B0 Diskette drive a error 02B1 Diskette drive B error Message Description Press F1 to resume, F2 to Setup, F3 for previousDesktop Management Interface DMI Installing the DMI PackageUninstalling the DMI Package Using the DMI InterfaceContents of the DMI Package Bios Setup Menus and Parameters Bios Setup UtilityRunning the Bios Setup Utility Security Menu Power APM MenuExit Menu Boot MenuPage Exploded View Except Display Components Exploded View Display Components Exploded View Motherboard Components Technology Code OmniBook XE Replaceable Parts HP Part NumberHP Exchange Part Number DescriptionLCD CVR, ADI 12 TFT LCD CVR, CPT 14 TFT DC/DD PCA, NO-MODEM Layer Accessory Replaceable Parts Order From Cover, Label ProtectQuanta Part Number Order From Quanta Description Part Number Order From Quanta Part Number Reference LCD BKT, CPT 14 TFT DC/DD/DE DOOR, RAM Quanta Part NumberLCD CVR, CPT 14 TFT LCD Bezel Password Removal Policy Imperfections Not Allowed Hewlett-Packard Display Quality StatementOmniBook XE LCD Guidelines TFT Type of Imperfection Mechanical Imperfections Details OmniBook XE Technology CodesPart Number P F1753-90004