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Dismantling HP Pavilion dv4-2040us laptop

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  1. Dismantling HP Pavilion dv4-2040us laptop, Remove the battery: 1 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop, Remove the battery: 1 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop, Remove the battery: 1 단계, 이미지 3/3
    • Place the laptop facing down with the battery upwards in your work area.

    • Remove the battery sliding the safety latch to the left.

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    • Remove the 3, #00 Phillips screws located below the battery.

    • Loosen the #00 Phillips screw from the RAM compartment and remove the cover.

    • Loosen the retainers.

    • Remove the RAM modules.

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    • Remove the 2, #00 Phillips screws that secure the Hard Drive and the Wi-Fi card cover.

    • Remove the cover and unplug the 2 plugs that connect the antenna to the Wi-Fi card.

    • Remove the 2 screws and take the Wi-Fi card apart.

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    • Unscrew the 3, #2 Phillips screws.

    • Now, use the plastic protector to pull the hard drive to the left.

    • Tilt the hard drive raising its right side.

    • Remove the hard drive.

  5. Dismantling HP Pavilion dv4-2040us laptop, Remove the DVD unit.: 5 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop, Remove the DVD unit.: 5 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop, Remove the DVD unit.: 5 단계, 이미지 3/3
    • Remove the WWAN card screw.

    • Push upwards the DVD unit safety latch.

    • The DVD unit should slide out. Remove it.

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    • Remove the 3 upper left corner screws.

    • Now, remove the 2 lower left corner screws.

  7. Dismantling HP Pavilion dv4-2040us laptop: 7 단계, 이미지 1/2 Dismantling HP Pavilion dv4-2040us laptop: 7 단계, 이미지 2/2
    • Remove the 3 upper right corner screws.

    • Remove the 4 lower right corner screws.

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    • Turn the laptop and open it.

    • Use plastic picks to partially separate the plastic surrounding the keyboard.

  9. Dismantling HP Pavilion dv4-2040us laptop: 9 단계, 이미지 1/2 Dismantling HP Pavilion dv4-2040us laptop: 9 단계, 이미지 2/2
    • Take the keyboard partially out of its place, first from the top, then from the bottom of the keyboard.

    • Push both sides of the keyboard to free the ribbon cable retainers.

  10. Dismantling HP Pavilion dv4-2040us laptop: 10 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 10 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 10 단계, 이미지 3/3
    • Remove the 2 screws under the keyboard, located in the lower left corner.

    • Remove the 2 screws that were covered by the DVD unit.

    • Remove the keyboard plastic cover completely.

  11. Dismantling HP Pavilion dv4-2040us laptop: 11 단계, 이미지 1/1
    • Before tearing the plastic surrounding the keyboard, remove the ribbon cable holding it in place.

  12. Dismantling HP Pavilion dv4-2040us laptop: 12 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 12 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 12 단계, 이미지 3/3
    • Take out the Wi-Fi antenna cable and remove the label.

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    • Push both ends of the screen cable using a tool until it's disconnected.

    • Do the same with the ribbon cable located in the far right side of the screen.

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    • Unplug the speakers power cable.

    • Remove the 3 screws that secure the speakers.

    • Remove the speakers and the 2 screws that hold the right side of the screen in place.

  15. Dismantling HP Pavilion dv4-2040us laptop: 15 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 15 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 15 단계, 이미지 3/3
    • Remove the screen.

    • Remove the ribbon cable that connects to the on/off button.

    • Remove the ribbon cable that connects the touchpad.

  16. Dismantling HP Pavilion dv4-2040us laptop: 16 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 16 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 16 단계, 이미지 3/3
    • Remove the 3 screws under the screen bezel.

    • Remove the cable completely.

    • Use a plastic pick to remove the plastic that wraps the side of the laptop.

  17. Dismantling HP Pavilion dv4-2040us laptop: 17 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 17 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 17 단계, 이미지 3/3
    • Remove the lateral card.

    • Remove the tape and the power cable from the fan cooler.

    • Put away the cable.

  18. Dismantling HP Pavilion dv4-2040us laptop: 18 단계, 이미지 1/2 Dismantling HP Pavilion dv4-2040us laptop: 18 단계, 이미지 2/2
    • Remove the screw that holds the motherboard in place.

    • Now remove the 2 lateral screws, use a flat head screwdriver.

    • Remove the cable located in lower right corner of the laptop.

  19. Dismantling HP Pavilion dv4-2040us laptop: 19 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 19 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 19 단계, 이미지 3/3
    • Put the clock battery out of the way.

    • With a flat head screwdriver, remove the power cable located at the upper left side of the motherboard.

    • Remove the motherboard from it's place and turn it over.

  20. Dismantling HP Pavilion dv4-2040us laptop: 20 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 20 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 20 단계, 이미지 3/3
    • Using your hand or a pair of pliers, remove the lint.

    • Use a screwdriver to lock the fan and prevent it to move while you are cleaning it.

    • Remove the 2 screws that hold the fan to the chassis of the laptop.

  21. Dismantling HP Pavilion dv4-2040us laptop: 21 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 21 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 21 단계, 이미지 3/3
    • Using a #000 Phillips screwdriver, remove the 4 screws that close the fan housing.

    • With a small brush or a toothbrush, remove the dust. BE CAREFUL: the fan blades are VERY fragile, do not apply too much force with your fingers.

    • Close and screw the cooling fan housing. You can see the fan requires 5 volts, 1.55 watts and a 2 pin cable in order to work.

  22. Dismantling HP Pavilion dv4-2040us laptop: 22 단계, 이미지 1/2 Dismantling HP Pavilion dv4-2040us laptop: 22 단계, 이미지 2/2
    • Loosen the 4 screws that hold the heat sink in place.

    • Remove the heat sink. DO NOT remove the thermal pads.

  23. Dismantling HP Pavilion dv4-2040us laptop: 23 단계, 이미지 1/3 Dismantling HP Pavilion dv4-2040us laptop: 23 단계, 이미지 2/3 Dismantling HP Pavilion dv4-2040us laptop: 23 단계, 이미지 3/3
    • Use 70% or higher isopropyl alcohol and cotton or absorbent paper to damp.

    • With the damp cotton or paper, remove the old thermal paste from the CPU and wait to completely dry for 10 minutes.

    • Remove the thermal paste from the heat sink as well.

  24. Dismantling HP Pavilion dv4-2040us laptop: 24 단계, 이미지 1/2 Dismantling HP Pavilion dv4-2040us laptop: 24 단계, 이미지 2/2
    • Place a small amount of new thermal paste on the metallic part of the CPU.

    • Use your finger to evenly spread the exposed metal on the processor.

결론

To reassemble your device, follow the instructions from the last to first step.

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