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Dell Chromebook 3100 2-in-1 Motherboard Replacement

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Follow this guide to remove and replace the motherboard in the Dell Chromebook 3100 2-in-1 laptop.

For your safety, discharge your battery below 25% before disassembling it. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.

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  1. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using a Phillips #1 screwdriver, remove all nine of the 5 mm screws from the back cover.

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    • Use the opening tool to pry the back cover off of the device.

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  3. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Battery: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Battery: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Disconnect the battery cable from the connector on the system board.

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    • Using a Phillips #1 screwdriver, remove the three 4 mm screws that secure the battery.

    • Remove the adhesive tape that secures the battery in place.

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    • Carefully remove the battery from the device.

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  6. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Speaker: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Speaker: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove adhesive tape that secures the speaker cable.

    • Disconnect the speaker cable from the connector on the system board.

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    • Remove the speaker cable from the retention clips.

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    • Lift and remove the speakers from the device.

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  10. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Motherboard: crwdns2935265:09crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Motherboard: crwdns2935265:09crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Motherboard: crwdns2935265:09crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Disconnect the keyboard cable.

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    • Disconnect the two input-output board cables from the motherboard.

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    • Disconnect the touchpad cable.

    • Disconnect the USB Type-C power cable.

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    • Remove the single 3 mm screw that secures the WLAN bracket to the system board using a Phillips #1 screwdriver.

    • Lift the WLAN bracket from the system board.

    • After lifting the bracket, carefully unplug the two coaxial cables.

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  14. Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:013crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the single 4 mm screw that secures the eDP bracket to the motherboard using a Phillips #1 screwdriver.

    • Remove the eDP bracket.

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  15. Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:014crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:014crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Disconnect the display cable from the motherboard by using a plastic opening pick.

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  16. Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:015crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:015crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:015crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the five 4 mm screws that secure the motherboard using a Phillips #1 screwdriver.

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  17. Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:016crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Chromebook 3100 2-in-1 Motherboard Replacement: crwdns2935265:016crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Lift and remove the motherboard from the computer.

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

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Any idea how to use the USB repair shim? Dell's guide didn't help

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