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Introdução

If your Kindle does not respond when pressing the power button, but wakes and goes back to sleep sporadically, this is due to a malfunctioning cover sensor, which is a hall effect sensor located on the same flex cable where the LEDs for the frontlight are located.

On some e-readers, like those from Kobo, this sensor can be disabled in software, but disabling it on a Kindle requires a hardware modification that can be undone relatively easily.

Normally, fixing this would require a replacement of the entire display assembly, but what if you wanted a temporary solution to tide you over until you are able to replace the display assembly, or upgrade to a new Kindle (or other e-reader), and have the skills and tools to take apart electronics?

This guide requires that your Kindle remain powered on but in sleep mode, and that a plastic opening tool, and a PH000 screwdriver are used. You will also need to react quickly to disconnect the frontlight before it goes back to sleep again.

  1. You will need to leave your Kindle powered on but in sleep mode. If it has run out of power, you may want to plug it in first to ensure that the display is still intact and not cracked. Gently pry the bezel off the screen using a plastic opening tool. Start at the corners and slide around the edges until you return to your starting point.
    • You will need to leave your Kindle powered on but in sleep mode.

    • If it has run out of power, you may want to plug it in first to ensure that the display is still intact and not cracked.

    • Gently pry the bezel off the screen using a plastic opening tool. Start at the corners and slide around the edges until you return to your starting point.

    • You may need plastic cards in between the bezel and rear cover if the former keeps sticking back down while you attempt to pry it up.

    • Be careful if using the metal spudger, as it can scratch the surface of the Kindle.

  2. Unscrew the eleven 3.2 mm Phillips #000 screws surrounding the frame. Unscrew the eleven 3.2 mm Phillips #000 screws surrounding the frame.
    • Unscrew the eleven 3.2 mm Phillips #000 screws surrounding the frame.

  3. Gently lift the mid-frame out of the case with your hands.
    • Gently lift the mid-frame out of the case with your hands.

  4. Now comes the hard part. Your Kindle may not respond to the power button, and disconnecting the frontlight at this point will leave it in that unusable state. Tap on or bring a magnet close to the hall effect sensor.
    • Now comes the hard part.

    • Your Kindle may not respond to the power button, and disconnecting the frontlight at this point will leave it in that unusable state.

    • Tap on or bring a magnet close to the hall effect sensor.

    • When the frontlight lights up, immediately unplug its connector.

    • If your Kindle remains awake for more than 3 seconds, you may now put it back to sleep by pressing the power button.

    • If not, you may have to repeat this step.

  5. You will then need to cover pins 2 and 4 of the front light connector. Cut a small piece of electrical tape that is thin enough to cover both pins, and apply it. Reconnect the frontlight.
    • You will then need to cover pins 2 and 4 of the front light connector.

    • Cut a small piece of electrical tape that is thin enough to cover both pins, and apply it.

    • Reconnect the frontlight.

    • Be careful to not block pin 6 and/or any other pins, as it may result in the frontlight not receiving power and/or the device re-entering the closed cover state.

Conclusão

To reassemble your device, follow steps 1-3 in reverse order.

Kevin Bhasi

Membro desde: 26/12/2014

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