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HP CQ45-114TX, CQ45-112TX, CQ45-111TX, CQ45-111AU, CQ45-109TU, CQ45-109AU, CQ45-120 Recycling, Display

Models: CQ45-127TX CQ45-132TX CQ45-110TU CQ45-210TX CQ45-114AU

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2 Recycling

2 Recycling

Display

WARNING! The backlight contains mercury. Caution must be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.

CAUTION: The procedures in this appendix can result in damage to display components. The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight. Careful handling must be exercised when removing these components.

NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities, or see the Electronic Industries Alliance (EIA) Web site at http://www.eiae.org.

This section provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight (1) and the liquid crystal display (LCD) panel (2).

NOTE: 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.

ENWW	Display 17

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HP CQ45-114TX, CQ45-112TX, CQ45-111TX, CQ45-111AU, CQ45-109TU, CQ45-109AU, CQ45-110AU, CQ45-110TU, CQ45-110TX Recycling, Display

Contents

Compaq Presario CQ45 Notebook PC Display Replacement GuideCopyright 2009 Hewlett-Packard Development Company, L.P Table of contents 1 Removal and replacement procedures2 Recycling ENWW ENWW 1 Removal and replacement proceduresService considerations Preliminary replacement requirementsTools required Plastic partsDrive handling Cables and connectorsElectrostatic discharge damage Grounding guidelinesDisplay assembly Component replacement procedures13. Remove the optical drive bracket 10. Use the media tray frame to remove the optical drive14. Position the computer with the front toward you 15. Disconnect the two WLAN antenna cables 1 from the WLAN module20. Disconnect the RTC battery cable 1 from the system board Component replacement proceduresENWW 22. Turn the computer upside down, with the front toward you 21. Remove the RTC battery24. Turn the computer display-side up, with the front toward you 25. Open the computer as far as possible30. Turn the computer upside down, with the rear toward you Component replacement proceduresENWW 32. Turn the computer display-side up, with the front toward you 10 Chapter 1 Removal and replacement procedures33. Open the computer as far as possible 37. Turn the computer display-side up, with the front toward you40. Disconnect the display panel cable 42. Remove the display assemblyComponent replacement procedures ENWW1 Two rubber screw covers on the display bezel bottom edge 12 Chapter 1 Removal and replacement procedures2 Two Phillips PM2.5×6.0 screws ENWWa. Peel back the plastic that covers the cable 48. Remove the inverterb. Remove the tape that secures the cable to the display c. Unplug the cable from the display14 Chapter 1 Removal and replacement procedures The display cable is available using spare part number1 that secure each hinge to the display ENWWReverse this procedure to reassemble and install the display assembly Component replacement proceduresENWW ENWW 16 Chapter 1 Removal and replacement proceduresDisplay 2 Recycling3. Remove the display bezel Perform the following steps to disassemble the display assembly18 Chapter 2 Recycling ENWW7. Turn the display panel assembly upside down 6. Remove the display panel assembly 2 from the display enclosureENWW Display12. Lift the top edge of the backlight cover 2 and swing it outward 10. Remove the display panel frame 2 from the display panel13. Remove the backlight cover 14. Turn the display panel right-side up17. Remove the backlight frame from the display panel 16. Turn the display panel upside down18. Remove the backlight from the backlight frame ENWW21. Release the LCD panel 3 from the display rear panel 19. Disconnect the display cable 1 from the LCD panel23. Remove the LCD panel 24. Recycle the LCD panel and backlight 22 Chapter 2 RecyclingR removal/replacement IndexENWW 24 Index