HP nw9440, nx9420 manual Reverse the above procedure to install the modem module

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Removal and Replacement Procedures

4.Remove the two Phillips PM2.0×4.0 screws 1 that secure the modem module to the system board.

5.Lift the right side of the modem module 2 to disconnect it from the system board.

6.Disconnect the modem cable 3 from the modem module.

✎The modem cable is included in the Cable Kit, spare part number 409990-001.

7.Remove the modem module.

Removing the Modem Module

Reverse the above procedure to install the modem module.

Maintenance and Service Guide

5–31

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Contents Maintenance and Service Guide Page Contents Illustrated Parts Catalog Removal and Replacement Procedures Contents Product Description Features Product Description Resetting the Computer Power Management Front Components External ComponentsFront Components Right-Side Components Right-Side Components Left-Side Components Left-Side Components Rear Panel Components Rear Panel Components Standard Keyboard Components Fn key Standard Keyboard ComponentsTop Components Top Components Pointing Device Components Pointing Device Components Bottom Components Bottom Components Design Overview Computer Setup TroubleshootingTroubleshooting Computer Setup Defaults Select To Do This File MenuSecurity Menu Diagnostics Menu System Configuration Menu Setup even when a Microsoft Windows System Configuration Menu Troubleshooting Flowcharts Overview Troubleshooting FlowchartsFlowchart No Power Part Flowchart 2.1-Initial TroubleshootingFlowchart 2.2-No Power, Part Flowchart 2.3-No Power, Part External Flowchart 2.4-No Power, PartFlowchart 2.5-No Power, Part Flowchart 2.6-No Video, Part Flowchart No Video Part Flowchart 2.7-No Video, PartFlowchart 2.8-Nonfunctioning Docking Device if applicable Go to Flowchart 2.13-No OS Loading Diskette Drive Flowchart 2.9-No Operating System OS LoadingLoading Flowchart 2.10-No OS Loading, Hard Drive, PartFlowchart No OS Loading Hard Drive, Part Flowchart 2.11-No OS Loading, Hard Drive, PartFlowchart 2.12-No OS Loading, Hard Drive, Part Flowchart 2.13-No OS Loading, Diskette Drive Flowchart 2.14-No OS Loading, Optical Drive Flowchart 2.15-No Audio, Part Flowchart 2.16-No Audio, Part Cmos Flowchart 2.17-Nonfunctioning DeviceFlowchart 2.18-Nonfunctioning Keyboard Pointing device Not operating Properly Connect computer Flowchart 2.19-Nonfunctioning Pointing DeviceFlowchart 2.20-No Network/Modem Connection Serial Number Location Illustrated Parts CatalogComputer Major Components Item Description Number Switch coverSpare Parts Computer Major Components Computer Major Components Fingerprint sensor board not illustrated Fan assemblyTop cover Computer Major Components Video board heat sinks include thermal pads Spare PartDescription Number Plastics KitComputer Major Components System board PC Card/smart card assemblyRTC battery SpeakerComputer Major Components Item Description Number Mini Card modules Computer Major Components 407576-002 Computer Major Components Hard drives Display Assembly Components Display Assembly Components Spare Part Number Information Item Description Number Plastics Kit 409944-001 Includes Plastics KitPlastics Kit Spare Part Number Information Description Number Cable Kit Cable KitCable Kit Spare Part Number Information Optical drives include bezel Mass Storage DevicesMass Storage Devices Spare Part Number Information Miscellaneous Not Illustrated Spare Part Information Miscellaneous Not IllustratedDescription Number Power cords Appendix A, Screw Listing, for more information on Description Number USB 1.1 diskette driveSpare Part Number Description Sequential Part Number ListingSequential Part Number Listing Venezuela Sequential Part Number Listing Sequential Part Number Listing Sequential Part Number Listing Sequential Part Number Listing China includes pointing stick cable Sequential Part Number Listing Sequential Part Number Listing Sequential Part Number Listing 409990-001 Cable Kit Tools Required Removal and Replacement PreliminariesPlastic Parts Service ConsiderationsPreventing Damage to Removable Drives Preventing Electrostatic Damage Packaging and Transporting Precautions Use the following grounding precautions at workstations Workstation PrecautionsGrounding Equipment and Methods Material Use Voltage Protection Level Typical Electrostatic Voltage LevelsStatic-Shielding Materials Relative Humidity Event 10% 40% 55%Serial Number Removal and Replacement Procedures# of Screws Removed Disassembly Sequence ChartDisassembly Sequence Chart Optical Drive Battery Pack Spare Part Number Information Preparing the Computer for DisassemblyReverse the above procedure to install the battery pack Hard Drive Spare Part Number Information Hard DriveRemoving the Hard Drive Cover Removing the Hard Drive Removing the Hard Drive Frame Computer Feet Bluetooth Module Spare Part Number Information Bluetooth ModuleMemory Module Spare Part Number Information External Memory ModuleReverse the above procedure to install a memory module Mini Card Module Spare Part Number Information Mini Card ModulePrepare the computer for disassembly Section Reverse the above procedure to install a Mini Card module RTC Battery Spare Part Number Information RTC BatteryOptical Drive Spare Part Number Information Optical DriveReverse the above procedure to install an optical drive Keyboard Spare Part Number Information KeyboardKeyboard Spare Part Number Information Removing the Keyboard Screws Reverse the above procedure to install the keyboard Internal Memory Module Reverse the above procedure to install a memory module TouchPad Spare Part Number Information TouchPadRemoving the TouchPad Screw Removing the TouchPad Reverse the above procedure to install the TouchPad Modem Module Spare Part Number Information Modem ModuleReverse the above procedure to install the modem module Switch Cover Spare Part Number Information Switch CoverReverse the above procedure to install the switch cover LED Board Spare Part Number Information LED BoardFan Assembly Spare Part Number Information Fan AssemblyProcessor Heat Sink Spare Part Number Information Processor Heat SinkReverse the above procedure to install the heat sink Processor Spare Part Number Information ProcessorReverse the above procedure to install the processor Video Board Heat Sink Spare Part Number Information Video Board Heat SinkLoosening the Video Board Heat Sink Screws Removing the Video Board Heat Sink Thermal Paste Locations Video Board Spare Part Number Information Video BoardReverse the above procedure to install the video board Display Assembly Spare Part Number Information Display AssemblyRemoving the Display Assembly Screws Removal and Replacement Procedures Removing the Display Assembly Display Assembly Subcomponents Spare Part Number Information Removing the Display Bezel Screw Covers Removing the Display Bezel Screws Removing the Display Bezel Removing the Display Panel Screws, Part Removing the Display Panel Screws, Part Removing the Display Panel Removing the Display Inverter and Ambient Light Sensor Board Item Description Number Display Hinge Kit 409937-001 Removing the Display Latch Actuator Removing the Display Latch Arm Item Description Number Wireless Antenna Kit 409931-001 Removing the Microphone and Cable Top Cover Spare Part Number Information Top CoverRemoving the Top Cover Screws, Part Reverse the above procedure to install the top cover Speaker Spare Part Number Information SpeakerReverse the above procedure to install the speaker System Board Spare Part Number Information System BoardSpeaker Section Disconnecting the System Board Cables Removing the System Board Removing the Modem Connector and Cable Removing the Network Connector and Cable Reverse the above procedures to install the system board USB/Audio Board Spare Part Number Information 26 USB/Audio BoardRemoving the USB/Audio Board Reverse the above procedure to install the USB/audio board PC Card/Smart Card Assembly Spare Part Number Information PC Card/Smart Card AssemblyRemoving the PC Card/Smart Card Assembly Screws Removing the PC Card/Smart Card Assembly Temperature Dimensions MetricWeight Input PowerRandom Vibration Relative humidity noncondensingMaximum altitude unpressurized ShockInch, WUXGA+WVA Inch, WSXGA+WVA Inch, WXGA+WVA Hard Drives Energy Primary 8-cell, Li-Ion Battery PackDisc diameter DVD±RW and CD-RW Combo DriveApplicable disc Read Write Center hole diameterAudio output level Access timeDisc thickness Track pitchDVD/CD-RW Combo Drive Line-out, 0.7 Vrms Hardware DMA System Function System DMAHardware IRQ System Function System InterruptsIRQ12 Address hex System I/O Addresses16F Unused VGA Size Memory Address System Function System Memory MapHead Color Qty Length Thread Width Black Where usedTable A-1 Phillips PM3.0×3.0 Screw Table A-2 Phillips PM2.5×17.0 Screw Color Qty Length Thread Width Black 17.0 mm Where usedTable A-3 Phillips PM2.5×13.0 Spring-Loaded Screw Color Qty Length Thread Width Silver 13.0 mm Where usedTable A-4 Phillips PM2.5×4.0 Screw Table A-5 Phillips PM2.0×4.0 Screw Color Qty Length Thread Width Silver Where usedTable A-5 Phillips PM2.0×4.0 Screw Table A-5 Phillips PM2.0×4.0 Screw Table A-5 Phillips PM2.0×4.0 Screw Table A-5 Phillips PM2.0×4.0 Screw Table A-6 Torx8 T8M2.5×9.0 Screw Table A-6 Torx8 T8M2.5×9.0 Screw Table A-6 Torx8 T8M2.5×9.0 Screw Table A-7 Torx8 T8M2.5×4.0 Screw Table A-7 Torx8 T8M2.5×4.0 Screw Table A-7 Torx8 T8M2.5×4.0 Screw Table A-7 Torx8 T8M2.5×4.0 Screw Table A-7 Torx8 T8M2.5×4.0 Screw Table A-7 Torx8 T8M2.5×4.0 Screw Table A-8 Torx8 T8M2.5×19.0 Screw Color Qty Length Thread Width Black 19.0 mm Where usedTable A-9 Torx8 T8M2.5×7.0 Screw Table A-9 Torx8 T8M2.5×7.0 Screw Table A-9 Torx8 T8M2.5×7.0 Screw Torx8 T8M2.5×7.0 Screw Location Table A-10 Phillips PM2.5×7.0 Screw Table A-10 Phillips PM2.5×7.0 Screw Table A-10 Phillips PM2.5×7.0 Screw Table A-11 Hex Socket HM5.0×9.0 Screw Locks Table A-12 Phillips PM2.0×6.0 Screws Backup Software Backup RecoveryBacking Up Specific Files or Folders Backing Up the SystemBacking Up the Entire Hard Drive Backing Up Modifications Made to the System Scheduling Backups RecoveryCreating Recovery Discs Highly Recommended Performing a Recovery from the Recovery Discs Performing a RecoveryInitiating a Recovery in Windows Performing a Recovery from the Hard DriveDisplay Component Recycling Display Component Recycling Removing the Display Bezel Screw Covers and Screws Removing the Display Bezel Removing the Display Inverter Removing the Display Panel Assembly Removing the Display Panel Frame Screws Removing the Display Frame Removing the Backlight Cover Releasing the Backlight Cables Removing the Backlight Frame Slide the backlight out of the backlight frame Releasing the LCD Panel Remove the LCD panel Table D-1 Audio-Out Headphone Pin SignalTable D-3 Universal Serial Bus Table D-2 Audio-In MicrophoneTV-CD Table D-4 Video-OutTable D-5 External Monitor Table D-6 RJ-11 Modem Table D-7 RJ-45 Network Conductor Power Cord Set Power Cord Set RequirementsGeneral Requirements Country/Region Accredited Agency Applicable Note Number Conductor Power Cord Set RequirementsCountry-Specific Requirements KE a Index OS loading problems Index-3 Index-4 Troubleshooting 2-18,2-27num lock key Index-6 Index Index-8

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