HP 4100 manual Removing Other Components, Removing Display Components, Component Cable Holder

Page 41

Reassembly Notes

Caution

Replace the BIOS IC with one that is compatible with the CPU module—see the table on page 4-3.

Align the IC with the slot in the socket. The IC is keyed to fit correctly. If you insert the IC backward, the IC or motherboard could be damaged.

Press down firmly on the IC with your thumb to ensure a proper connection.

Reprogram the IC by programming the BIOS—see the note above.

Removing Other Components

(HP Authorized Service Providers Only)

Required Equipment

Small Phillips screwdriver.

Pointed knife or probe (for display components).

5-mm hex driver (or 3/16 inch) (for bottom case components).

Removal Procedure

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

2.Remove the additional assemblies and follow the special steps indicated in the tables below. Components are separated into these groups:

Display components (below).

Top case components (page 2-22).

Bottom case components (page 2-23).

Table 2-8. Removing Display Components

Component

Cable Holder

(part of display case kit)

Display Bezel

Display Case

Removal Procedures

Display (page 2-10).

Display (page 2-10)

Display (page 2-10).

Additional Steps (See figure on page 4-5)

1.Remove the display bezel (page 2-11).

2.Unsnap the cover of the cable holder.

3.Use a flat-blade screwdriver to pry the display case and release the cable holder.

Reassembly Notes: Install the holder so the tabbed side is toward the bottom of the display case.

Remove the display bezel (page 2-11). Caution: Use compatible parts (page 2-11).

Remove the LCD module and brackets from the case, but do not disassemble the module (page 2-11).

Reassembly Notes: Transfer the display latch and cable holder from the old display case.

Caution: Use compatible parts (page 2-11).

HP OmniBook 4100

Removal and Replacement 2-21

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Contents HP OmniBook Edition History Contents Tables FiguresHP OmniBook Sources of OmniBook Information IntroductionSource Address or NumberOmniBook 4100 Models Product InformationOmniBook Front View Features and OperationProduct Comparisons Power Management Power StatesOmniBook OmniBook 2100/3100 Processor Memory Video Operating SystemTurning the OmniBook On and Off Activating Power ModesKeyboard Status Lights VGA PCA Checking the Status of the OmniBookMain Status Lights LED Strip Cable Resetting the OmniBook Using Fn Hot KeysFn Hot Keys Hot KeySystem Memory System ResourcesSystem Interrupts 10. DMA Channels System Input/Output Addresses 100-3FF11. OmniBook 4100 Specifications SpecificationsProduct Information HP OmniBook OmniBook 7100, 4100, 3100, 2100 Accessories 12. OmniBook 4100 AccessoriesOmniBook 4100-Only Accessories Internal Design Replaceable Module DiagramDocking port 13. Functional StructurePage Removal Cross-Reference Removal and ReplacementRecommended Screw Torques Required EquipmentScrew Thread Size Torque kgfcm Torque inlbfRemoval Procedure Removing the Battery or Plug-In ModuleRemoving a RAM Board RAM Board Replacement Part NumbersDescription Part Number Exchange Part NumberDescription Part Number Exchange Part Number Hard Disk Drive Replacement Part NumbersRemoving the Hard Disk Drive Creating a Hibernate Partition Installing a Hard Drive in the Cover Reassembly NotesReplacing Small Parts User-Replaceable Replacement ProcedureReplacing Small Parts Removing the Keyboard Removing the KeyboardHint Removing the Display Removing the Display AssemblyDisplay Component Compatibility Removing the LCD ModuleRemoval and Replacement HP OmniBook Removing the Display Reassembly Notes Removing the Top Case Removing the Top Case Reassembly Notes Removing the Motherboard or Bottom Case Removing the Motherboard Reassembly Notes Installing a New Serial Number Label 10. Installing Docking Doors and Module Latch12. Removing the Bios IC Removing the Bios ICRemoving Other Components Display Bezel Display Case Removal ProceduresRemoving Display Components Component Cable HolderComponent Display Latch 10. Removing Bottom Case Components Removing Top Case ComponentsComponent CPU Bottom Plate CPU Module MMO CPU Top Plate Fan Removal ProceduresIR PCA Lvds PCA Component Frame, Left Frame, Left or Right Heatsink PartsVGA PCA Component Speaker, Left Speaker, Right Speaker CoverTroubleshooting and Diagnostics Troubleshooting the Problem TroubleshootingVerifying the Repair Scope of Diagnostic Tools Suggestions for TroubleshootingStartup Troubleshooting SuggestionsSymptom Call Center Suggestions Power/BatteryRepair Center Likely Causes Repair Center CommentsErratic display Touch pad Call Center Suggestions Pointing stickSerial/Parallel Miscellaneous Symptom AC adapterAccessories Check module contacts. Push system-off button Creating a Diagnostic Floppy Disk Diagnostic ToolsOmniBook Diagnostic Program Enter Running the Diagnostic TestCode Suggestions System Tests OmniBook Diagnostic Error CodesHard Disk Tests Parallel Port Tests Post Terminal-Error Beep Codes Power-On Self-TestBeep Codes Post DescriptionDescription Post MessagesMessage Message Description Allocation Error for deviceSycard PCCtest 450 CardBus Card Optional Uninstalling the DMI Package Installing the DMI PackageUsing the DMI Interface Desktop Management Interface DMIDMI Components Contents of the DMI PackageRunning the Bios Setup Utility Bios Setup UtilityBios Setup Menus and Parameters Main Menu DefaultPower Menu Default Security Menu DefaultExit Menu Boot Menu DefaultPage Replaceable Parts Exploded View User- Replaceable OmniBook Replaceable Parts41 PCA, DC-DC Display Components Motherboard Components Accessory Replaceable Parts Assembly-Component BreakdownPCA, VGA PCA, IR PCA, DC-DC Part Number ReferencePart Number Exchange Part Number F1460-69098 Reference Information Password Removal PolicyReference Information HP OmniBook Hewlett-Packard Display Quality StatementOmniBook 4100 LCD Guidelines TFT Page Page Part Number F1460-90020
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