HP 4100 manual Component CPU Bottom Plate CPU Module MMO CPU Top Plate, Fan Removal Procedures

Page 44

Component

CPU Bottom Plate

CPU Module (MMO)

CPU Top Plate

DC-DC PCA

Fan

Removal Procedures

Keyboard (page 2-8).

Keyboard (page 2-8).

Keyboard (page 2-8).

Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10).

Top case (page 2-14).

Keyboard (page 2-8). Display (page 2-10).

Additional Steps (See figures on pages 4-2, 4-6)

1.Remove the screw from the heatsink cover and lift it off the heatpipe.

2.Remove the screws from the CPU top plate, then lift the right half of the complete CPU assembly so it unplugs from the motherboard.

3.Slide off the top plate, then remove the CPU module from the bottom plate.

Reassembly Notes: Assemble the CPU module, top plate, and bottom plate before installing them on the motherboard.

Caution: Keep the CPU assembly flat while installing it. Press it down above the connectors at the right end. Otherwise, you could damage the connectors.

1.Remove the screw from the heatsink cover and lift it off the heatpipe.

2.Remove the screws from the CPU top plate, then lift the right half of the complete CPU assembly so it unplugs from the motherboard.

3.Slide off the top plate, then remove the CPU module from the bottom plate.

Reassembly Notes: Assemble the CPU module, top plate, and bottom plate before installing them on the motherboard.

Caution: Replace the CPU module with one of the same module type—see the table on page 4-3.

Caution: Install or replace CPU module thermal pads that are missing or damaged—see the picture on page 2-19.

Caution: Keep the CPU assembly flat while installing it. Press it down above the connectors at the right end. Otherwise, you could damage the connectors.

1.Remove the screw from the heatsink cover and lift it off the heatpipe.

2.Remove the screws from the CPU top plate and remove the top plate.

Caution: Replace the top plate with one that is compatible with the CPU module—see the table on page 4-3.

1.Remove the screw from the IR PCA and move the PCA aside.

2.Remove the two screws from the right frame and remove the frame.

3.Unplug the DC-DC PCA.

1.Remove the screw from the plastic cover and remove the cover.

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

Reassembly Notes: Route the fan wires at the bottom of the opening next to the motherboard.

2-24 Removal and Replacement

HP OmniBook 4100

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Contents HP OmniBook Edition History Contents Figures TablesHP OmniBook Introduction Sources of OmniBook InformationSource Address or NumberProduct Information OmniBook 4100 ModelsFeatures and Operation OmniBook Front ViewPower Management Power States Product ComparisonsOmniBook OmniBook 2100/3100 Processor Memory Video Operating SystemActivating Power Modes Turning the OmniBook On and OffKeyboard Status Lights VGA PCA Checking the Status of the OmniBookMain Status Lights LED Strip Cable Using Fn Hot Keys Resetting the OmniBookFn Hot Keys Hot KeySystem Memory System ResourcesSystem Interrupts System Input/Output Addresses 100-3FF 10. DMA ChannelsSpecifications 11. OmniBook 4100 SpecificationsProduct Information HP OmniBook OmniBook 7100, 4100, 3100, 2100 Accessories 12. OmniBook 4100 AccessoriesOmniBook 4100-Only Accessories Replaceable Module Diagram Internal Design13. Functional Structure Docking portPage Removal and Replacement Removal Cross-ReferenceRequired Equipment Recommended Screw TorquesScrew Thread Size Torque kgfcm Torque inlbfRemoving the Battery or Plug-In Module Removal ProcedureRAM Board Replacement Part Numbers Removing a RAM BoardDescription Part Number Exchange Part NumberDescription Part Number Exchange Part Number Hard Disk Drive Replacement Part NumbersRemoving the Hard Disk Drive Installing a Hard Drive in the Cover Reassembly Notes Creating a Hibernate PartitionReplacing Small Parts User-Replaceable Replacement ProcedureReplacing Small Parts Removing the Keyboard Removing the KeyboardHint Removing the Display Assembly Removing the DisplayRemoving the LCD Module Display Component CompatibilityRemoval 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 10. Installing Docking Doors and Module Latch Installing a New Serial Number LabelRemoving the Bios IC 12. Removing the Bios ICDisplay Bezel Display Case Removal Procedures Removing Other ComponentsRemoving Display Components Component Cable HolderComponent Display Latch Removing Top Case Components 10. Removing Bottom Case ComponentsFan Removal Procedures Component CPU Bottom Plate CPU Module MMO CPU Top PlateComponent Frame, Left Frame, Left or Right Heatsink Parts IR PCA Lvds PCAComponent Speaker, Left Speaker, Right Speaker Cover VGA PCATroubleshooting and Diagnostics Troubleshooting Troubleshooting the ProblemVerifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsStartup Troubleshooting SuggestionsSymptom Power/Battery Call Center SuggestionsRepair Center Likely Causes Repair Center CommentsErratic display Pointing stick Touch pad Call Center SuggestionsSerial/Parallel Miscellaneous Symptom AC adapterAccessories Check module contacts. Push system-off button Creating a Diagnostic Floppy Disk Diagnostic ToolsOmniBook Diagnostic Program Running the Diagnostic Test EnterOmniBook Diagnostic Error Codes Code Suggestions System TestsHard Disk Tests Parallel Port Tests Power-On Self-Test Post Terminal-Error Beep CodesBeep Codes Post DescriptionDescription Post MessagesMessage Allocation Error for device Message DescriptionSycard PCCtest 450 CardBus Card Optional Installing the DMI Package Uninstalling the DMI PackageUsing the DMI Interface Desktop Management Interface DMIContents of the DMI Package DMI ComponentsBios Setup Utility Running the Bios Setup UtilityBios Setup Menus and Parameters Main Menu DefaultSecurity Menu Default Power Menu DefaultBoot Menu Default Exit MenuPage Replaceable Parts Exploded View OmniBook Replaceable Parts User- Replaceable41 PCA, DC-DC Display Components Motherboard Components Assembly-Component Breakdown Accessory Replaceable PartsPart Number Reference PCA, VGA PCA, IR PCA, DC-DCPart Number Exchange Part Number F1460-69098 Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement Reference Information HP OmniBookOmniBook 4100 LCD Guidelines TFT Page Page Part Number F1460-90020
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