HP DV7-4285DX LCD Replacement

Written By: Patrick
  • Comments: 1
HP DV7-4285DX LCD Replacement

Difficulty

Moderate

Steps

19

Time Required

1 hour

Introduction

This guide will show how to disassemble the laptop and get to the display assembly to replace LCD screen.

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    • Make sure laptop is shutdown and unplugged from power adapter.

    • Slide the battery release latch to the left and remove the battery.

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    • Unscrew the five screws holding the bottom cover for accessing the RAM, hard drive and wifi card.

    • Five Phillips #1

    • When removing the cover, start from the top edge and lift up.

    • Remove cover.

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    • Remove the four screws holding the hard drive.

    • Four Phillips #1

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    • Unplug the SATA connection using the black pull tab.

    • Remove hard drive

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    • Remove RAM by pushing the locking clips outwards.

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    • Use the edge of a plastic opening tool to pry the wifi antenna cable up from its socket on the wireless card.

    • Remove two screws from wireless card.

    • Two Phillips #1

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    • Remove the one screw holding the optical drive.

    • One Phillips #1

    • Use a spudger to push on the metal tab below where the screw was. This should disconnect the optical drive from the SATA connector.

    • Remove optical drive.

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    • Remove the 26 screws on the bottom.

    • 20 Phillips #1

    • Three Phillips #0

    • Three Phillips #00

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    • To the left of the battery connector is a keyboard release latch. Use a spudger to release the keyboard.

    • You may have to open the laptop some to keep the keyboard from re-latching.

    • Once freed, lift the keyboard up from the top.

    • Be careful not to damage or tear the ribbon cable.

    • Use the edge of a plastic opening tool to carefully flip up the retaining flap on the keyboard ZIF socket.

    • Remove keyboard.

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    • Remove the two screws.

    • Two Phillips #1

    • Use the edge of a plastic opening tool to carefully flip up the retaining flaps on the three ZIF sockets.

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    • Starting on the left side, use a spudger to pry the cover up. Work your way around to the right side.

    • Remove cover.

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    • Remove the screw on the left side holding the lid hinge.

    • One Phillips #1

    • Use the black pull tab to remove the LCD connector.

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    • Remove the screw on the right side holding the lid hinge.

    • One Phillips #1

    • Use a spudger to disconnect the speaker wire.

    • Carefully pull the wifi antenna wires out from the bottom case.

    • Remove lid.

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    • Using a metal spudger remove the two hinge covers.

    • Use a metal spudger to remove the two screw covers.

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    • Remove the two Phillips #1 screws that were under the covers.

    • Starting on the left side, use a spudger to pry the bezel up.

    • Work your way around and remove the bezel.

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    • Remove the eight screws holding the LCD panel.

    • Eight Phillips #1

    • Use a spudger to disconnect the webcam connector.

    • Lift up the LCD panel.

    • The webcam wire is attached to the back of the panel. Carefully peel it off the panel.

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    • Use a sudger to disconnect the wire from the LCD panel.

    • Remove LCD panel.

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    • Remove the four screws (two on each side) holding the hinges on the sides.

    • Four Phillips #1 (two on each side)

    • Remove the hinges.

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    • LCD remains.

    • To reassemble, follow these instructions in reverse order.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

Patrick

Member since: 30/03/12

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