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    Before you begin this repair, make sure the device is completely powered off. Press and hold down the small round button on the back of the Joy Con controller. While you hold down the button, slide  the controller upward.
    • Before you begin this repair, make sure the device is completely powered off.

    • Press and hold down the small round button on the back of the Joy Con controller.

    • While you hold down the button, slide the controller upward.

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    Continue sliding the Joy Con upward until it's completely removed from the console. Repeat this same process for the other Joy Con. Repeat this same process for the other Joy Con.
    • Continue sliding the Joy Con upward until it's completely removed from the console.

    • Repeat this same process for the other Joy Con.

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    • Use a Y00 screwdriver to remove the four 6.3 mm-long screws securing the rear panel.

    • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.

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    Use a JIS 000 driver or an official iFixit PH 000 driver to remove the following screws securing the rear panel: One 2.5 mm-long screw on the top edge of the device
    • Use a JIS 000 driver or an official iFixit PH 000 driver to remove the following screws securing the rear panel:

    • One 2.5 mm-long screw on the top edge of the device

    • Two 2.5 mm-long screws on the bottom edge of the device

    • To prevent these tight screws from stripping, apply firm downward force, work slowly and try another JIS 000 or PH 000 driver if the screws won't come out.

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    Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the two 3.8 mm center screws on the sides of the device (one on each side). Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the two 3.8 mm center screws on the sides of the device (one on each side).
    • Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the two 3.8 mm center screws on the sides of the device (one on each side).

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    Use your finger to flip up the kickstand on the back of the device. If there's a microSD card in the microSD card slot, remove it now before you continue to the next step.
    • Use your finger to flip up the kickstand on the back of the device.

    • If there's a microSD card in the microSD card slot, remove it now before you continue to the next step.

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    Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the 1.6 mm screw in the kickstand well.
    • Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the 1.6 mm screw in the kickstand well.

    • Close the kickstand.

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    Open the game card cartridge flap. The game card cartridge flap attaches to the other half of the plastic shell, preventing you from completely lifting up the rear panel if it's closed. Lift the rear panel up from the bottom of the device and remove it.
    • Open the game card cartridge flap.

    • The game card cartridge flap attaches to the other half of the plastic shell, preventing you from completely lifting up the rear panel if it's closed.

    • Lift the rear panel up from the bottom of the device and remove it.

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    Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the 3.1 mm screw securing the microSD card reader to the device.
    • Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the 3.1 mm screw securing the microSD card reader to the device.

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    Use your fingers or a pair of tweezers to lift the microSD card reader straight up from the device to disconnect and remove it. During reassembly, make sure the press connector underneath the foam pad is firmly connected to the motherboard. It may help to remove the foam pad before reinstalling the card reader.
    • Use your fingers or a pair of tweezers to lift the microSD card reader straight up from the device to disconnect and remove it.

    • During reassembly, make sure the press connector underneath the foam pad is firmly connected to the motherboard. It may help to remove the foam pad before reinstalling the card reader.

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    Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the six 3 mm screws securing the shield plate to the device.
    • Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the six 3 mm screws securing the shield plate to the device.

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    Use your fingers or a pair of tweezers to peel back the piece of foam on the top edge of the device near the fan exhaust port. If the foam doesn't easily peel away, don't force it as it might end up tearing. Carefully peel at different spots to pull back the foam.
    • Use your fingers or a pair of tweezers to peel back the piece of foam on the top edge of the device near the fan exhaust port.

    • If the foam doesn't easily peel away, don't force it as it might end up tearing. Carefully peel at different spots to pull back the foam.

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    Insert a spudger underneath the shield plate along the edge of the device. Pry up to lift the shield plate and remove it from the device. You may feel a bit of resistance. This is normal, since the shield plate is slightly bonded to the heat sink with thermal paste.
    • Insert a spudger underneath the shield plate along the edge of the device.

    • Pry up to lift the shield plate and remove it from the device.

    • You may feel a bit of resistance. This is normal, since the shield plate is slightly bonded to the heat sink with thermal paste.

    • A thick pink thermal compound bridges the gap between the shield plate and the copper heat sink underneath. Whenever the shield plate is removed, refer to our thermal paste guide to remove the old thermal compound and replace it with an appropriate compound, such as K5 Pro, during reassembly.

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    Use the point of a spudger to pry the battery connector straight up and out of its socket on the motherboard. Use the point of a spudger to pry the battery connector straight up and out of its socket on the motherboard.
    • Use the point of a spudger to pry the battery connector straight up and out of its socket on the motherboard.

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    Use an opening tool, spudger, or your fingernail to flip up the small, hinged locking flap on the Joy Con rail data cable's ZIF connector. Use an opening tool, spudger, or your fingernail to flip up the small, hinged locking flap on the Joy Con rail data cable's ZIF connector.
    • Use an opening tool, spudger, or your fingernail to flip up the small, hinged locking flap on the Joy Con rail data cable's ZIF connector.

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    Use a pair of tweezers to slide the Joy Con rail data cable out of its connector on the motherboard. Use a pair of tweezers to slide the Joy Con rail data cable out of its connector on the motherboard.
    • Use a pair of tweezers to slide the Joy Con rail data cable out of its connector on the motherboard.

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    Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable. Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable.
    • Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable.

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    Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable. Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable. Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable.
    • Use your fingers or a pair of tweezers to lift the battery connector up and out of the way of the Joy Con rail's data cable.

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    Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the four 3.7 mm screws securing the left Joy Con rail to the frame of the device.
    • Use a JIS 000 screwdriver or an official iFixit PH 000 driver to remove the four 3.7 mm screws securing the left Joy Con rail to the frame of the device.

    • These screws are torqued down and can be difficult to remove. To prevent them from stripping, apply firm downward force, work slowly and try a different screwdriver if the screws won't come out.

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    Remove the left Joy Con sensor rail from the device. Remove the left Joy Con sensor rail from the device.
    • Remove the left Joy Con sensor rail from the device.

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Craig Lloyd

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If this was a neon Switch, this would be the rail that gets attached with the blue or the red joy con?

felipemanzur21 - crwdns2853112:0crwdne2853112:0

it would be the Blue joy con

Nick Heilman -

I completed this guide, but the left joy con is still not being detected after the sensor rail was replaced with a sensor rail purchased on this site. The joy con in question will attach and sync with another console, so that leads me to believe it is a fault with the switch console itself. Is there something else that I can replace that would fix this issue?

Sean Douglas - crwdns2853112:0crwdne2853112:0

Depending on where you get your replacement rail, it may not have the silver on the ribbon cable. No worries, as I did this repair 3 months ago (Jan) and had no issues at all.

To get the ribbon cable in place, I recommend first getting the battery wires out of the way, then slightly bending it and sliding it under that section of the Motherboard. If you do it right, the end of the ribbon cable will pop up and that can be slid into place. Took some fiddling but I eventually got it to work!

No matter what, never crease your ribbon cables!

Yakarot Sennin - crwdns2853112:0crwdne2853112:0

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