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HP nx9420, nw9440 manual Display Assembly Components

Models: nx9420 nw9440

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Troubleshooting Flowchart No Power Part Bluetooth Pin Signal Computer Setup Defaults Dimension Maintenance System Configuration Menu OS loading problems Resetting the Computer

Page 74

Illustrated Parts Catalog

3.3 Display Assembly Components

3–16	Maintenance and Service Guide

Page 73 Page 75

Image 74

HP nx9420, nw9440 manual Display Assembly Components

Page 73 Page 75

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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 External Components Front Components Front Components Right-Side Components Right-Side Components Left-Side Components Left-Side Components Rear Panel Components Rear Panel Components Standard Keyboard Components Standard Keyboard Components Fn key Top Components Top Components Pointing Device Components Pointing Device Components Bottom Components Bottom Components Design Overview Troubleshooting Computer Setup Troubleshooting Computer Setup Defaults File Menu Select To Do This Security Menu Diagnostics Menu System Configuration Menu Setup even when a Microsoft Windows System Configuration Menu Troubleshooting Flowcharts Troubleshooting Flowcharts Overview Flowchart 2.1-Initial Troubleshooting Flowchart No Power Part Flowchart 2.2-No Power, Part Flowchart 2.3-No Power, Part Flowchart 2.4-No Power, Part External Flowchart 2.5-No Power, Part Flowchart 2.6-No Video, Part Flowchart 2.7-No Video, Part Flowchart No Video Part Flowchart 2.8-Nonfunctioning Docking Device if applicable Flowchart 2.9-No Operating System OS Loading Go to Flowchart 2.13-No OS Loading Diskette Drive Flowchart 2.10-No OS Loading, Hard Drive, Part Loading Flowchart 2.11-No OS Loading, Hard Drive, Part Flowchart No OS Loading Hard Drive, Part Flowchart 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 Flowchart 2.17-Nonfunctioning Device Cmos Flowchart 2.18-Nonfunctioning Keyboard Flowchart 2.19-Nonfunctioning Pointing Device Pointing device Not operating Properly Connect computer Flowchart 2.20-No Network/Modem Connection Illustrated Parts Catalog Serial Number Location Computer 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 Plastics Kit Spare PartDescription Number Video board heat sinks include thermal pads Computer Major Components Speaker PC Card/smart card assemblyRTC battery System board Computer 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 Miscellaneous Not Illustrated Spare Part Information Description Number Power cords Description Number USB 1.1 diskette drive Appendix A, Screw Listing, for more information on Spare 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 Removal and Replacement Preliminaries Tools Required Service Considerations Plastic Parts Preventing Damage to Removable Drives Preventing Electrostatic Damage Packaging and Transporting Precautions Workstation Precautions Use the following grounding precautions at workstations Grounding Equipment and Methods Relative Humidity Event 10% 40% 55% Typical Electrostatic Voltage LevelsStatic-Shielding Materials Material Use Voltage Protection Level Removal and Replacement Procedures Serial Number # of Screws Removed Disassembly Sequence ChartDisassembly Sequence Chart Optical Drive Preparing the Computer for Disassembly Battery Pack Spare Part Number Information Reverse the above procedure to install the battery pack Hard Drive Hard Drive Spare Part Number Information Removing the Hard Drive Cover Removing the Hard Drive Removing the Hard Drive Frame Computer Feet Bluetooth Module Bluetooth Module Spare Part Number Information External Memory Module Memory Module Spare Part Number Information Reverse the above procedure to install a memory module Mini Card Module Mini Card Module Spare Part Number Information Prepare the computer for disassembly Section Reverse the above procedure to install a Mini Card module RTC Battery RTC Battery Spare Part Number Information Optical Drive Optical Drive Spare Part Number Information Reverse the above procedure to install an optical drive Keyboard Keyboard Spare Part Number Information Keyboard 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 TouchPad Spare Part Number Information Removing the TouchPad Screw Removing the TouchPad Reverse the above procedure to install the TouchPad Modem Module Modem Module Spare Part Number Information Reverse the above procedure to install the modem module Switch Cover Switch Cover Spare Part Number Information Reverse the above procedure to install the switch cover LED Board LED Board Spare Part Number Information Fan Assembly Fan Assembly Spare Part Number Information Processor Heat Sink Processor Heat Sink Spare Part Number Information Reverse the above procedure to install the heat sink Processor Processor Spare Part Number Information Reverse the above procedure to install the processor Video Board Heat Sink Video Board Heat Sink Spare Part Number Information Loosening the Video Board Heat Sink Screws Removing the Video Board Heat Sink Thermal Paste Locations Video Board Video Board Spare Part Number Information Reverse the above procedure to install the video board Display Assembly Display Assembly Spare Part Number Information Removing 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 Top Cover Spare Part Number Information Removing the Top Cover Screws, Part Reverse the above procedure to install the top cover Speaker Speaker Spare Part Number Information Reverse the above procedure to install the speaker System Board System Board Spare Part Number Information Speaker 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 26 USB/Audio Board USB/Audio Board Spare Part Number Information Removing the USB/Audio Board Reverse the above procedure to install the USB/audio board PC Card/Smart Card Assembly PC Card/Smart Card Assembly Spare Part Number Information Removing the PC Card/Smart Card Assembly Screws Removing the PC Card/Smart Card Assembly Input Power Dimensions MetricWeight Temperature Shock Relative humidity noncondensingMaximum altitude unpressurized Random Vibration Inch, WUXGA+WVA Inch, WSXGA+WVA Inch, WXGA+WVA Hard Drives Primary 8-cell, Li-Ion Battery Pack Energy Center hole diameter DVD±RW and CD-RW Combo DriveApplicable disc Read Write Disc diameter Track pitch Access timeDisc thickness Audio output level DVD/CD-RW Combo Drive Line-out, 0.7 Vrms System DMA Hardware DMA System Function System Interrupts Hardware IRQ System Function IRQ12 System I/O Addresses Address hex 16F Unused VGA System Memory Map Size Memory Address System Function Head Color Qty Length Thread Width Black Where usedTable A-1 Phillips PM3.0×3.0 Screw Color Qty Length Thread Width Black 17.0 mm Where used Table A-2 Phillips PM2.5×17.0 Screw Color Qty Length Thread Width Silver 13.0 mm Where used Table A-3 Phillips PM2.5×13.0 Spring-Loaded Screw Table A-4 Phillips PM2.5×4.0 Screw Color Qty Length Thread Width Silver Where used 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-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 Color Qty Length Thread Width Black 19.0 mm Where used Table A-8 Torx8 T8M2.5×19.0 Screw Table 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 Software Backup Recovery Backup Backing Up the System Backing Up Specific Files or Folders Backing Up the Entire Hard Drive Backing Up Modifications Made to the System Recovery Scheduling Backups Creating Recovery Discs Highly Recommended Performing a Recovery Performing a Recovery from the Recovery Discs Performing a Recovery from the Hard Drive Initiating a Recovery in Windows Display 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 Pin Signal Table D-1 Audio-Out Headphone Table D-2 Audio-In Microphone Table D-3 Universal Serial Bus Table D-4 Video-Out TV-CD Table D-5 External Monitor Table D-6 RJ-11 Modem Table D-7 RJ-45 Network Power Cord Set Requirements Conductor Power Cord Set General 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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