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Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement

What you need

  1. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Back Cover: step 1, image 1 of 3 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Back Cover: step 1, image 2 of 3 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Back Cover: step 1, image 3 of 3
    • Remove the two 6mm JIS #0 screws from either side of the hinges.

  2. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 2, image 1 of 1
    • Remove the eight 4mm JIS #0 screws from the back cover.

  3. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 3, image 1 of 2 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 3, image 2 of 2
    • Insert an opening pick between the back panel and the sides of the computer to begin lifting the back off.

    • There are several clips holding the cover in place.

    • After the sides have been lifted, use the opening tool to finish opening the back cover.

  4. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 4, image 1 of 1
    • Lift off the back cover.

  5. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Battery: step 5, image 1 of 3 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Battery: step 5, image 2 of 3 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Battery: step 5, image 3 of 3
    • Remove the two JIS #0 screws that connect the battery to the rest of the laptop.

  6. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 6, image 1 of 2 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 6, image 2 of 2
    • Pull the white tab connected to the battery out of the black tab that connects to the motherboard.

    • It is extremely important that this is done carefully and slowly to avoid causing damage to the motherboard.

  7. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 7, image 1 of 1
    • Lift the battery out gently.

  8. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Motherboard: step 8, image 1 of 1
    • Disconnect the LCD cable from the motherboard by removing the tape on the LCD connector, then gently pulling out the ribbon cable.

  9. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 9, image 1 of 3 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 9, image 2 of 3 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 9, image 3 of 3
    • Disconnect the LCD cable from the motherboard by gently pulling on the cable.

  10. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 10, image 1 of 1
    • Disconnect the trackpad by pulling on the trackpad connector cable.

  11. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 11, image 1 of 2 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 11, image 2 of 2
    • Disconnect the daughterboard from the motherboard by gently removing the daughterboard cable from the motherboard connector.

  12. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 12, image 1 of 2 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 12, image 2 of 2
    • Remove the electrical tape covering the screw that holds the Wi-Fi card in place.

    • Remove the single 4mm JIS #0 screw that holds the Wi-Fi card in place.

  13. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 13, image 1 of 1
    • Remove the seven 4mm JIS #0 screws that hold the motherboard in place.

  14. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: step 14, image 1 of 1
    • Gently remove the motherboard.

Conclusion

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

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