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If your Lenovo ThinkPad X1 Carbon (2nd Gen) charger will not work, the screen randomly turns blue, or the laptop randomly freezes, use this guide to replace the motherboard.
The motherboard allows all of the components of your computer to communicate with each other.
Before using this guide, if the charger will not work, try using a few different outlets to charge your computer and check that your battery firmware is updated.
Also, try turning it completely off and on again.
Before you begin, make sure your computer is off.
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Using a Phillips #0 screwdriver, remove the seven 7mm screws holding the back cover onto your computer.
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Use a plastic opening tool or your fingers to pry off the cover.
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Using your fingers, disconnect the battery from the motherboard.
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Using a Phillips #0 screwdriver, unscrew the five 4.3mm screws attaching the battery to the computer.
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Remove the battery by pulling it directly towards you.
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Use a Phillips #1 screwdriver to undo the four 5 mm screws attached to the heat sink.
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Undo the black clasp that holds the ribbon cable, attached to the fan, in place and disconnect the ribbon cable.
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Remove the fan by lifting it directly up.
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Disconnect all 10 of the ribbon cables attached to the motherboard.
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Disconnect the wire connecting the motherboard to the speaker.
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Use a Phillips #1 screwdriver to unscrew the 4mm screw holding the metal covering over the power jack prongs.
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Use a Phillips #1 screwdriver to unscrew the 4mm screw holding down the Micro-SD card tray.
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Un-tape the orange and blue wires from the motherboard.
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Remove the black and grey wires from the cable comb on the motherboard.
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Use a Phillips #1 screwdriver to unscrew the 3.7mm screw holding down the wifi card.
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Remove the wifi card.
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Carefully remove the motherboard by lifting it and pulling towards the left.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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All going as described, until the final step trying to pull the motherboard out, and there is something still holding it in place. With a bit of a wiggle and pull, there is something about near the screw hole that was holding the wifi card down preventing the card from lifting there. Any clues?
Answering my own question: Removing the motherboard requires that you first pop the SIM card / MicroSD card holder out of the socket, otherwise it won’t lift out. Submitted an update to the guide to save others falling into the same trap.
