HP M2251AP, M2599XX, M2526TU, M2525TU, M2528TU, M2529TU, M2527TU, M2523TU Display Component Recycling

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Display Component Recycling

This appendix provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight 1 and the LCD panel 2.

✎Disassembly procedures differ from one display assembly to another. The procedures provided in this appendix are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another.

D–2	Maintenance and Service Guide

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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 HP Pavilion ze2300 Component FunctionFront Components, Compaq Presario M2300 Front Components Compaq Presario M2300 Right-Side Components, HP Pavilion ze2300 Right-Side Components HP Pavilion ze2300 Right-Side Components, Compaq Presario M2300 Right-Side Components Compaq Presario M2300 Left-Side Components, HP Pavilion ze2300 Left-Side Components HP Pavilion ze2300 Left-Side Components, Compaq Presario M2300 Left-Side Components Compaq Presario M2300 Rear Panel Components Rear Panel Components Compaq Presario M2300 Keyboard Components, HP Pavilion ze2300 Keyboard Components HP Pavilion ze2300 Fn keyKeyboard Components, Compaq Presario M2300 Keyboard Components Compaq Presario M2300 Top Components HP Pavilion ze2300 Windows shutdown procedures Top Components Compaq Presario M2300 Top Components Compaq Presario M2300 Bottom Components HP Pavilion ze2300 Bottom Components HP Pavilion ze2300 Bottom Components Compaq Presario M2300 Bottom Components Compaq Presario M2300 Design Overview Troubleshooting Computer SetupAccessing Computer Setup File Menu Select To Do ThisSelecting from the Security Menu Security MenuSelecting from the Tools Menu Tools MenuSelecting from the Advanced Menu Advanced MenuTroubleshooting Flowcharts Troubleshooting Flowcharts OverviewFlowchart 2.14-No OS Loading, Optical Drive Flowchart 2.1-Initial Troubleshooting Flowchart No Power PartFlowchart 2.2-No Power, Part Flowchart 2.3-No Power, Part Flowchart 2.4-No Power, Part ExternalFlowchart 2.5-No Power, Part Flowchart 2.6-No Video, Part Flowchart 2.7-No Video, Part Flowchart No Video PartFlowchart 2.8-Nonfunctioning Docking Device if applicable Reseat power Cord in docking Device Power outletFlowchart 2.9-No Operating System OS Loading Flowchart 2.10-No OS Loading, Hard Drive, Part Ing, Hard DriveFlowchart 2.11-No OS Loading, Hard Drive, Part Flowchart No OS Loading Hard Drive, PartFlowchart 2.12-No OS Loading, Hard Drive, Part Flowchart 2.13-No OS Loading, Diskette Drive System boardFlowchart 2.14-No OS Loading, Optical Drive Flowchart 2.15-No Audio, Part Flowchart 2.16-No Audio, Part Flowchart 2.17-Nonfunctioning Device CmosFlowchart 2.18-Nonfunctioning Keyboard Flowchart 2.19-Nonfunctioning Pointing Device Pointing device Not operating Properly Connect computerFlowchart 2.20-No Network/Modem Connection Illustrated Parts Catalog Serial Number LocationComputer Major Components Item Description Number Spare Parts Computer Major ComponentsDisplay hinge brackets not illustrated Computer Major Components, Compaq Presario M2300 Spare Part Description Number KeyboardsComputer Major Components, HP Pavilion ze2300 Bluetooth modules Power connector boardDescription Number Speaker assembliesComputer Major Components, Compaq Presario M2300 Description Number Processors include thermal pad Battery connector boardBase enclosures Computer Major Components, HP Pavilion ze2300 Mini PCI communications modules Computer Major Components, Compaq Presario M2300 Battery packs Item Description Number Memory modules 266 MHzSD Card Memory modules Optical drives include bezelMiscellaneous Plastics Kit Miscellaneous Plastics Kit Spare Part Number Information PC Card slot space saver and computer feet 408482-001Mass Storage Devices Optical drives Mass Storage Devices Spare Part Number InformationUSB digital drive not illustrated Miscellaneous Not Illustrated Miscellaneous not illustrated Spare Part Information Sequential Spare Part Number Listing Sequential Part Number ListingSpare Part Number Description Sequential Spare Part Number Listing Sequential Spare Part Number Listing Models Sequential Spare Part Number Listing 395135-001 System board Sequential Spare Part Number Listing Removal and Replacement Preliminaries Tools RequiredService Considerations Plastic PartsPreventing Damage to Removable Drives Preventing Electrostatic Damage Packaging and Transporting Precautions Workstation Precautions Grounding Equipment and MethodsRemoval and Replacement Preliminaries Typical Electrostatic Voltage Levels Static-Shielding MaterialsRelative Humidity Event 10% 40% 55% Material Use Voltage Protection LevelRemoval and Replacement Procedures Serial Number Disassembly Sequence Chart Disassembly Sequence ChartSection Description # of Screws Removed Display Assembly Preparing the Computer for Disassembly Battery Pack Spare Part Number InformationHard Drive Hard Drive Spare Part Number InformationRemoving the Hard Drive Cover Removing the Hard Drive Removing the Hard Drive Frame and Connector Computer Feet Optical Drive Optical Drive Spare Part Number InformationReverse the above procedure to install an optical drive Memory Module Memory Module Spare Part Number InformationRemoving the Memory Module Compartment Cover Reverse the above procedure to install a memory module Mini PCI Communications Module Mini PCI Communications Module Spare Part Number InformationRemoving the Mini PCI Compartment Cover Removing a Mini PCI Communications Module Keyboard Cover Keyboard Cover Spare Part Number InformationRemoving the Keyboard Cover Screws Reverse the above procedure to install the keyboard cover LED Board LED Board Spare Part Number InformationReverse the above procedure to install the LED board Keyboard Keyboard Spare Part Number InformationRemoving the Keyboard Screws Releasing the Keyboard Reverse the above procedure to install the keyboard Display Assembly Display Assembly Spare Part Number InformationDisconnecting and Removing the Wireless Antenna Cables Disconnecting the Display Cables Removal and Replacement Procedures Reverse the above procedure to install the display assembly Base Enclosure Base Enclosure Spare Part Number InformationRemoval and Replacement Procedures Removal and Replacement Procedures Removal and Replacement Procedures Removal and Replacement Procedures Reverse the above procedure to install the base enclosure RTC Battery Remove the RTC battery from the socket on the system board Speaker Assembly Speaker Assembly Spare Part Number InformationReverse the above procedure to install the speaker assembly Heat Sink Heat Sink Spare Part Number InformationReverse the above procedure to install the heat sink 17 Fan Fan Spare Part Number InformationReverse the above procedure to install the fan Processor Processor Spare Part Number InformationReverse the above procedure to install a processor Battery Connector Board Battery Connector Board Spare Part Number InformationRemoving the Battery Connector Board Screw Removing the Battery Connector Board Power Connector Board Power Connector Board Spare Part Number InformationRemoving the Power Connector Board 21 USB/S-Video Controller Board USB/S-Video Controller Board Spare Part Number InformationRemoving the USB/S-Video Controller Board Bluetooth Module Bluetooth Module Spare Part Number InformationReverse the above procedure to install the Bluetooth module System Board System Board Spare Part Number InformationKeyboard Section Disconnecting the TouchPad Cable Removal and Replacement Procedures Ola Releasing the System Board Slide the system board to the left at an angle and remove it Stand-alone power requirements DimensionsComputer Temperature Relative humidity noncondensingMaximum altitude unpressurized ShockInch, XGA, Display Hard Drives Primary 6-cell, Li-Ion Battery Pack EnergyDVD±RW/R and CD-RW Dual Layer Combo Drive Applicable disc Read WriteCenter hole diameter Disc diameterAccess time Disc thicknessTrack pitch Audio output levelDVD/CD-RW Combo Drive DVD-ROM DVD-5DVD/CD-RW Combo Drive 8X DVD-ROM Drive Applicable discCache buffer System DMA Hardware DMA System FunctionSystem Interrupts Hardware IRQ System FunctionIRQ12 System I/O Addresses Address hexSystem I/O Addresses System I/O Addresses System Memory Map Memory Map Address hexSystem Memory Map NIC Pin Signal Table A-1 Universal Serial BusTable A-2 RJ-45 Network Table A-3 Video-Out TV-CDTable A-4 External Monitor Table A-5 RJ-11 Modem Table A-6 Audio-In Microphone Table A-7 Audio-Out HeadphonePower Cord Set Requirements Conductor Power Cord SetGeneral Requirements Country-Specific Requirements Conductor Power Cord Set RequirementsCountry/Region Accredited Agency Applicable Note Number Kema Screw Listing Table C-1 Phillips PM2.0×5.0 Screw Color Qty Length Thread Width Black Where usedHead Color Qty Length Thread Width Silver Where used Table C-2 Phillips PM2.5×4.0 ScrewTable C-3 Phillips PM2.0×7.0 Screw Phillips PM2.0×7.0 Screw Locations Table C-3 Phillips PM2.0×7.0 Screw Table C-4 Phillips PM2.0×8.0 Screw Table C-4 Phillips PM2.0×8.0 Screw Table C-4 Phillips PM2.0×8.0 Screw Table C-4 Phillips PM2.0×8.0 Screw Table C-4 Phillips PM2.0×8.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Phillips PM2.0×4.0 Screw Location Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Phillips PM2.0×4.0 Screw Location Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-6 Phillips PM2.0×3.0 Screw Color Qty Length Thread Width Black 16.0 mm Where used Table C-7 Phillips PM2.0×16.0 ScrewTable C-8 Phillips PM1.5×3.5 Screw Display Component Recycling Display Component Recycling Removing the Display Bezel Screw Covers and Screws Removing the Display Bezel Removing the Display Inverter Removing the LCD Panel Removing the LCD Panel Frame Screws Removing the LCD Panel 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 Index Index Index-3 Index-4 PC Card slot space saver, spare part number 3-15,3-26 Index-6 Index-7

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