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Prereq-only guide for removing the lower support bracket in an iMac 4K 2017.

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  1. Remove the following five Phillips  screws holding the lower support bracket in place: Four 3.2 mm screws
    • Remove the following five Phillips screws holding the lower support bracket in place:

    • Four 3.2 mm screws

    • One 1.7 mm screw

    • You may need to peel up the display adhesive lining the bottom edge of the iMac enclosure to access the screws.

  2. Remove the lower support bracket (a.k.a. "chin strap") from the iMac enclosure.
    • Remove the lower support bracket (a.k.a. "chin strap") from the iMac enclosure.

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

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Jeff Suovanen

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