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简介

This guide will show you how to replace the daughterboard in a Samsung Chromebook 3. The right side USB and headphone jack are soldered to the board, requiring a full daughterboard replacement to fix a malfunctioning port.

  1. Place the Chromebook face down so that the bottom case is exposed. Using a Phillips #00 screwdriver, remove nine 4.6mm screws from the back casing.
    • Place the Chromebook face down so that the bottom case is exposed.

    • Using a Phillips #00 screwdriver, remove nine 4.6mm screws from the back casing.

  2. Use a iFixit opening tool to gently pry the case up from the vent on the hinge side of the Chromebook. You should hear a popping sound as the connectors disengage inside the case. You should hear a popping sound as the connectors disengage inside the case.
    • Use a iFixit opening tool to gently pry the case up from the vent on the hinge side of the Chromebook.

    • You should hear a popping sound as the connectors disengage inside the case.

  3. Lift the case up and off the device
    • Lift the case up and off the device

  4. Locate the battery and remove the four 4.6mm screws at the corners which attach it to case using a Phillips #00 screwdriver. Locate the battery and remove the four 4.6mm screws at the corners which attach it to case using a Phillips #00 screwdriver.
    • Locate the battery and remove the four 4.6mm screws at the corners which attach it to case using a Phillips #00 screwdriver.

  5. Use a spudger to gently pry the power cable cord upwards from the motherboard. Use a spudger to gently pry the power cable cord upwards from the motherboard.
    • Use a spudger to gently pry the power cable cord upwards from the motherboard.

  6. Lift the battery up and out from the case.
    • Lift the battery up and out from the case.

  7. Before you begin the process of removing the daughterboard, you will need to remove the port case. Using a Phillips #00 screwdriver, remove the three 4.6mm screws. Before you begin the process of removing the daughterboard, you will need to remove the port case. Using a Phillips #00 screwdriver, remove the three 4.6mm screws.
    • Before you begin the process of removing the daughterboard, you will need to remove the port case. Using a Phillips #00 screwdriver, remove the three 4.6mm screws.

  8. Use a spudger to unhook the cable connecter from the speaker cable. Use a spudger to unhook the cable connecter from the speaker cable.
    • Use a spudger to unhook the cable connecter from the speaker cable.

  9. Pry the small coaxial cables upwards from the connecters on the wireless chip. Pry the small coaxial cables upwards from the connecters on the wireless chip. Pry the small coaxial cables upwards from the connecters on the wireless chip.
    • Pry the small coaxial cables upwards from the connecters on the wireless chip.

  10. Using the Phillips #00, unscrew one 4.6mm screw from the daughterboard. Using the Phillips #00, unscrew one 4.6mm screw from the daughterboard.
    • Using the Phillips #00, unscrew one 4.6mm screw from the daughterboard.

  11. Use a spudger to lift the gray plastic bar on the zif connecter up, then use your fingers to remove the cable ribbon. Use a spudger to lift the gray plastic bar on the zif connecter up, then use your fingers to remove the cable ribbon. Use a spudger to lift the gray plastic bar on the zif connecter up, then use your fingers to remove the cable ribbon.
    • Use a spudger to lift the gray plastic bar on the zif connecter up, then use your fingers to remove the cable ribbon.

  12. Loosen the daughterboard from the USB port with a spudger as there is some adhesive underneath, and you're ready to remove the daughterboard.
    • Loosen the daughterboard from the USB port with a spudger as there is some adhesive underneath, and you're ready to remove the daughterboard.

结论

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

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