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Acer Chromebook CB3-131-C3KD Motherboard Replacement

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Use this guide to replace the motherboard for your device.

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  1. Acer Chromebook CB3-131-C3KD Motherboard Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement, Battery: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Make sure you turn off the laptop before starting.

    • Unscrew and remove the (11) eleven 4mm J0 head screws on the underside of the laptop using the JIS #0 screwdriver.

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  2. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use the plastic opening tool to remove the back cover.

    • Be careful not to damage the ribbon cable connecting the back cover to the laptop.

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  3. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Unscrew the (2) two 3mm J0 Phillips head screws that hold the battery in place.

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  4. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Disconnect the battery from the motherboard.

    • Carefully disconnect the cable parallel to the board, not at an angle. Otherwise, you could damage the port.

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  6. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Carefully lift the battery from one side, and then lift it out of the laptop.

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  7. Acer Chromebook CB3-131-C3KD Motherboard Replacement, Motherboard: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement, Motherboard: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Unscrew the (4) four J0 head 3.0 mm screws from the motherboard.

    • Unscrew the (1) one 7.0 mm screw from the center of the motherboard.

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  8. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Unlock the latches on the three white ribbon cables, then pull to detach them from the motherboard.

    • Slide the hook forward and pull the black ribbon cable out.

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  9. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Unscrew the 4.0 mm screw from the Wi-fi card using the JIS #0 screwdriver.

    • Pull the Wi-fi card parallel to the Chromebook to remove.

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  10. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:09crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • To remove the regular cable near the hinge, pry from one side.

    • To remove the regular cable at the top of the motherboard, pull it parallel to the board.

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  11. Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook CB3-131-C3KD Motherboard Replacement: crwdns2935265:010crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Open the hinge by prying it backwards.

    • Be careful not to damage the ribbon cable connecting the back cover to the laptop.

    • Remove the motherboard by lifting from the top.

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

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