Introduction

If your kindle fire HD 8 12th generation is experiencing audio issues or getting stuck on the amazon logo screen upon startup, it may be caused by a hardware issue which can be fixed by replacing the motherboard

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    • Unplug the charger, power down the device, and remove the SD card before beginning.

    • Insert an opening pick into the seam between the rear case and the screen assembly.

    • Slide the opening pick around the perimeter, prying periodically, until the screen assembly begins to release.

    • Insert an opening tool into the gap you created, and continue to pry periodically around the entire perimeter until the screen assembly fully releases.

    • Be patient and don't pry too hard in any specific place. Excessive force may cause damage to the device.

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    • Remove the rear case.

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    • Use an opening tool to lift the battery connector until it disconnects.

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    • Gently and slowly grip and pull the three white adhesive tabs that secure the battery until they fully release.

    • The adhesives are marked with a black flap with a white adhesive. You will know it has been successfully removed when you can move the battery around.

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    • Gently pry around the entire perimeter of the battery with an opening tool until the adhesive releases.

    • Remove the battery.

    • Take care not to bend or puncture the battery while prying the battery.

    • Clean under the old battery and insert a new battery with adhesive to ensure the battery stays in place.

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    • Lift the black ZIF locking flap.

    • Disconnect the ribbon cable.

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    • Remove all of the Phillips screws that secure the motherboard.

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    • Desolder all of the soldered motherboard connections.

    • Soldering can cause fires and burns. Always solder in a well-ventilated workspace.

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    • Lift the motherboard up and out of the chassis.

Conclusion

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

Alan Alejandro Ramos Avalos

Member since: 05/02/24

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