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Compaq N160 manual 9. Removing the Switch Cover Screws

Models: N160

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5.6Switch Cover

Removal and Replacement Procedures

5.6Switch Cover

✎The switch cover is included in the Plastics and Hardware Kit (spare part number 251365-001).

1.Prepare the computer for disassembly (Section 5.3).

2.Turn the computer bottom side up with the rear panel facing you.

3.Remove the two black M2 × 9 screws (Figure 5-9).

Figure 5-9. Removing the Switch Cover Screws

4.Turn the computer top side up with the front facing you.

5.Open the computer as far as it will open.

Maintenance and Service Guide

5–11

Image 78

Compaq N160 manual 9. Removing the Switch Cover Screws

Contents

Compaq Notebook Evo N160 Series OctoberMaintenance and Service Guide Document Part NumberMaintenance and Service Guide First Edition October Document Part NumberContents 2 Troubleshooting1 Product Description 3 Illustrated Parts Catalog 4 Removal and Replacement Preliminaries5 Removal and Replacement Procedures Contents6 Specifications A Connector Pin Assignments B Power Cord Set RequirementsScrew Listing Index Product Description Figure 1-1. Compaq Notebook Evo N160Compaq Notebook Evo N160 Models and Model Naming Conventions ModelsComputer models are shown in Table1-1 Product DescriptionModels and Model Naming Conventions Continued Maintenance and Service GuideCompaq Notebook Evo N160 Product DescriptionCompaq Notebook Evo N160 Models and Model Naming Conventions ContinuedProduct Description Models and Model Naming Conventions Continued Maintenance and Service GuideCompaq Notebook Evo N160 Product DescriptionCompaq Notebook Evo N160 Models and Model Naming Conventions ContinuedProduct Description Models and Model Naming Conventions Continued Maintenance and Service GuideCompaq Notebook Evo N160 Product Description1.1 Features Maintenance and Service Guide Connectors for RJ-45 network RJ-11 modem Universal Serial Bus S-VideoParallel devices External monitor 1394 digital devices AC power Stereo line out/headphone Mono microphone QuickDock Port Replicator1.2 Clearing a Password 1.3 Power Management Figure 1-2. Front and Right Side Components 1.4 Computer External ComponentsMaintenance and Service Guide Product DescriptionProduct Description Maintenance and Service GuideFront and Right Side Components ComponentProduct Description Figure 1-3. Rear Panel and Left Side ComponentsRear Panel and Left Side Components 1-14Maintenance and Service Guide Rear Panel and Left Side Components ContinuedProduct Description Product Description Maintenance and Service GuideFigure 1-4. Keyboard Components 1-16Caps lock key Maintenance and Service GuideKeyboard Components Fn keyProduct Description Figure 1-5. Top ComponentsTop Components 1-18Maintenance and Service Guide Top Components ContinuedProduct Description Bottom Components Maintenance and Service GuideFigure 1-6. Bottom Components Product DescriptionMaintenance and Service Guide Bottom Components ContinuedProduct Description 1.5 Design Overview Troubleshooting Using the PhoenixBIOS Setup UtilityTroubleshooting Flowcharts Troubleshooting Flowcharts OverviewTroubleshooting Initial Troubleshooting Done 2.2 No Power, PartPower up in docking station? in dockingMaintenance and Service Guide 2.3 No Power, PartTroubleshooting Visually check for debris in battery socket and clean if necessaryin computer and at power source 2.4 No Power, PartTroubleshooting Replace external AC adapterMaintenance and Service Guide 2.5 No Power, PartTroubleshooting Loose or2.6 No Video, Part Maintenance and Service Guide 2.7 No Video, PartTroubleshooting Continued from Section No Video, Part RemoveMaintenance and Service Guide 2.8 Nonfunctioning Docking Station if applicableTroubleshooting Reseat power2.9 No Operating System OS Loading TroubleshootingMaintenance and Service Guide Boot from diskette? 2.10 No OS Loading from Hard Drive, PartCheck the setup utility for correct booting order priority through the setup utility and reboot2.11 No OS Loading from Hard Drive, Part on hard 2.12 No OS Loading from Hard Drive, PartVirus sectors2.13 No OS Loading from Diskette Drive bootable disc 2.14 No OS Loading from CD- or DVD-ROM DriveTroubleshooting 2-162.15 No Audio, Part TroubleshootingMaintenance and Service Guide Load drivers and set configuration 2.16 No Audio, PartTroubleshooting 2-18Maintenance and Service Guide 2.17 Nonfunctioning DeviceTroubleshooting 2-19Maintenance and Service Guide 2.18 Nonfunctioning KeyboardTroubleshooting 2-20Maintenance and Service Guide 2.19 Nonfunctioning Pointing DeviceTroubleshooting 2-21Maintenance and Service Guide 2.20 Network or Modem Connection ProblemsTroubleshooting reconfigureIllustrated Parts Catalog 3.1 Serial Number LocationFigure 3-2. Computer System Major Components 3.2 Computer System Major ComponentsMaintenance and Service Guide Illustrated Parts CatalogIllustrated Parts Catalog Maintenance and Service GuideSpare Parts Computer System Major Components Keyboard shieldMaintenance and Service Guide Computer System Major Components continuedIllustrated Parts Catalog Maintenance and Service Guide Spare Parts Computer System Major Components ContinuedIllustrated Parts Catalog Maintenance and Service Guide Computer System Major Components continuedIllustrated Parts Catalog Maintenance and Service Guide Spare Parts Computer System Major Components ContinuedIllustrated Parts Catalog Plastics and Hardware Kit Components Spare Part Number 3.3 Plastics and Hardware Kit ComponentsFigure 3-3 Plastics and Hardware Kit Components Illustrated Parts CatalogFigure 3-4. Mass Storage Devices 3.4 Mass Storage DevicesMaintenance and Service Guide Mass Storage DevicesIllustrated Parts Catalog 3.5 MiscellaneousSpare Parts Miscellaneous not illustrated 3-10Maintenance and Service Guide Spare Parts Miscellaneous not illustrated ContinuedIllustrated Parts Catalog Removal and Replacement Preliminaries 4.1 Tools Required4.2 Service Considerations Cables and ConnectorsPlastic Parts 4.3 Preventing Damage to Removable Drives 4.5 Packaging and Transporting Precautions 4.4 Preventing Electrostatic Damage4.6 Workstation Precautions 4.7 Grounding Equipment and Methods Nonconductive plastic bags, tubes, or boxes Metal tote boxes Removal and Replacement PreliminariesMaintenance and Service Guide Electrostatic voltage levels and protective materialsRemoval and Replacement Procedures Maintenance and Service Guide 5.1 Serial NumberRemoval and Replacement Procedures Figure 5-1. Serial Number LocationRemoval and Replacement Procedures 5.2 Disassembly Sequence ChartDisassembly Sequence Chart Maintenance and Service Guide5.3 Preparing the Computer for Disassembly Figure 5-3. Removing the Hard Drive Figure 5-4. Removing the Hard Drive from the Hard Drive Sleeve Figure 5-5. Removing a Modular Media Bay Device 5.4 Memory Expansion Board Maintenance and Service Guide Reverse the above procedure to install a memory expansion boardRemoval and Replacement Procedures 7. The board tilts up at a 45-degree angleMaintenance and Service Guide 5.5 Computer FeetRemoval and Replacement Procedures Figure 5-8. Replacing the Computer Feet5.6 Switch Cover Figure 5-9. Removing the Switch Cover ScrewsFigure 5-10. Removing the Switch Cover 8. Remove the switch coverReverse the above procedure to install the switch cover Removal and Replacement ProceduresMaintenance and Service Guide 5.7 KeyboardRemoval and Replacement Procedures Keyboards Spare Part Number InformationFigure 5-11. Releasing the Keyboard Removal and Replacement ProceduresMaintenance and Service Guide 5-145. Remove the keyboard shield Removal and Replacement Procedures 5.8 Fan AssemblyFan Assembly Spare Part Number Information Maintenance and Service Guide4. Disconnect the fan cable from the system board 1 Figure c. Fan assembly Section 5.9 Processora. Switch cover Section b. Keyboard and keyboard shield Section Removal and Replacement Procedures3. Lift the processor straight up 2 to remove it from its socket Maintenance and Service Guide 5.10 DisplayRemoval and Replacement Procedures Displays Spare Part Number Information7. Remove the hinge covers 9. Position the computer so the front faces you 15. Lift the display straight up to remove it 5.11 Top Cover Top Cover Spare Part Number Information4. Open the parallel and serial connector cover 7. Release the ZIF connector 1 to which the TouchPad cable is attached and disconnect the TouchPad cable 2 from the system board Figure Maintenance and Service Guide Reverse the above procedure to install the top coverRemoval and Replacement Procedures 9. Lift the top cover straight up to remove it Figure5.12 Speaker Assembly Speaker Assembly Spare Part Number InformationMaintenance and Service Guide Reverse the above procedure to install the speaker assembliesRemoval and Replacement Procedures 2. Disconnect the speaker cables 1 from the system board Figure5.13 Disk Cell RTC Battery Figure 5-22. Removing the Disk Cell RTC BatteryMaintenance and Service Guide 5.14 Mini PCI Communications BoardRemoval and Replacement Procedures Mini PCI Communications Boards Spare Part Number InformationThe board tilts up at a 45-degree angle Maintenance and Service Guide 5.15 Sub I/O BoardRemoval and Replacement Procedures Sub I/O Board Spare Part Number Information3. Remove the right display support 4. Disconnect the modem/NIC cable 1 from the sub I/O board Figure Maintenance and Service Guide 5.16 System BoardRemoval and Replacement Procedures System Board Spare Part Number Information3. Disconnect the speaker assembly cables 2 from the system board 7. Remove the left display support 9. Press in and hold the PC Card eject button 1 Figure Maintenance and Service Guide SpecificationsThis chapter provides physical and performance specifications ComputerShock SpecificationsComputer Continued VibrationSpecifications Maintenance and Service Guide14.1-inch XGA, TFT Display Specifications 13.3-inch XGA, TFT DisplayMaintenance and Service Guide SpecificationsLogical configuration Hard DrivesHard Drives Continued SpecificationsPhysical configuration 30.0 GBDiskette Drive SpecificationsMaintenance and Service Guide Diskette sizeSpecifications CD-ROM DriveSpecifications Maintenance and Service GuideDVD-ROM Drive Specifications CD-RW Drive6-10 Maintenance and Service Guide 8-cell, Li ion Battery PackSpecifications AC AdapterHardware DMA SpecificationsSystem DMA System FunctionSpecifications Maintenance and Service GuideSystem Interrupts Specifications System I/O Addresses6-14 Specifications Maintenance and Service GuideSystem I/O Addresses Continued Specifications System I/O Addresses Continued6-16 Specifications Maintenance and Service GuideSystem Memory Map Connector Pin Assignments Maintenance and Service GuideTable A-1 RJ-45 Network Interface Connector Pin Assignments Table A-2 RJ-11 ModemTable A-3 Universal Serial Bus Table A-4 S-Video Connector Pin AssignmentsMaintenance and Service Guide Ground YConnector Pin Assignments Table A-5 ParallelConnector Pin Assignments Maintenance and Service GuideTable A-6 External Monitor Connector Pin Assignments Table A-7 Stereo Speaker/HeadphoneTable A-8 Microphone Power Cord Set Requirements 3-Conductor Power Cord SetGeneral Requirements Country-Specific Requirements Page Screw Listing Maintenance and Service GuideTable C-1 Phillips M3 × 8.0 Screw Table C-2 Phillips M3.0 × 4.0 Screw Maintenance and Service Guide Table C-3 Phillips M2.0 × 5.0 ScrewTable C-3 Phillips M2.0 × 5.0 Screw Continued Maintenance and Service Guide Table C-3 Phillips M2.0 × 5.0 Screw ContinuedTable C-4 Phillips M2.0 × 9.0 Screw Maintenance and Service Guide Table C-4 Phillips M2.0 × 9.0 Screw ContinuedTable C-4 Phillips M2.0 × 9.0 Screw Continued Maintenance and Service Guide Table C-4 Phillips M2.0 × 9.0 Screw ContinuedTable C-4 Phillips M2.0 × 9.0 Screw Continued C-10Maintenance and Service Guide Table C-5 Phillips M2.0 × 10.5 ScrewC-11 Table C-5 Phillips M2.0 × 10.5 Screw Continued C-12Maintenance and Service Guide Table C-6 Phillips M2.0 × 12.0 ScrewC-13 Table C-7 Phillips M2.0 × 6.5 Screw C-14Maintenance and Service Guide Table C-7 Phillips M2.0 × 6.5 Screw ContinuedC-15 Table C-7 Phillips M2.0 × 6.5 Screw Continued C-16Maintenance and Service Guide Table C-7 Phillips M2.0 × 6.5 Screw ContinuedC-17 Table C-8 Phillips M2.0 × 5.0 Screw C-18Maintenance and Service Guide C-19Index Index-2 Page Page