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Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement

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  1. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Remove the two 6mm JIS #0 screws from either side of the hinges.

  2. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the eight 4mm JIS #0 screws from the back cover.

  3. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Lift off the back cover.

  5. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Battery: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Battery: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Battery: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • 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: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Lift the battery out gently.

  8. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement, Motherboard: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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: crwdns2935265:09crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:09crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Disconnect the LCD cable from the motherboard by gently pulling on the cable.

  10. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Disconnect the trackpad by pulling on the trackpad connector cable.

  11. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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: crwdns2935265:012crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:012crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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: crwdns2935265:013crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the seven 4mm JIS #0 screws that hold the motherboard in place.

  14. Acer Chromebook 14 CB3-431-C3WS Motherboard Replacement: crwdns2935265:014crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Gently remove the motherboard.

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

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Samantha Postma

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Grand Valley State University, Team S1-G3, DeVasto Fall 2019 crwdns2935289:0Grand Valley State University, Team S1-G3, DeVasto Fall 2019crwdne2935289:0

GVSU-DEVASTO-F19S1G3

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