소개
Use this guide to replace a faulty logic board.
When reassembling your iMac, follow our thermal paste application guide to reapply the thermal paste.
필요한 것
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이 단계에 사용된 도구:iMac Intel 21.5" Cardboard Service Wedge$4.99
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Before beginning any work on your iMac: Unplug the computer and press and hold the power button for ten seconds to discharge the power supply's capacitors.
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이 단계에 사용된 도구:Plastic Cards$2.99
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Starting from the top right corner of the iMac, wedge a plastic card between the display and frame.
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While holding the display up with one hand, use the other hand to unplug the display power cable.
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Remove the following five Phillips screws holding the lower support bracket in place:
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Four 3.2 mm screws
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One 1.7 mm screw
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Use a spudger to loosen the right speaker cable's connector from its socket on the logic board.
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Pull the connector downwards to remove it from its socket.
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Remove the following screws securing the hard drive bracket to the rear enclosure:
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Two 21 mm T10 Torx screws from the left-hand hard drive bracket.
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One 9 mm T10 Torx screw.
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One 27 mm T10 Torx screw.
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Use the tip of a spudger to push each side of the power button cable connector and gently walk it out of its socket.
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Lift the hard drive from the edge nearest the logic board and pull it slightly out of its recess.
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Remove the single 7.2 mm T10 screw securing the hard drive tray to the rear enclosure.
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Push on each side of the left speaker cable connector with the tip of a spudger and gently walk it out of its socket.
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Remove the two 3.2 mm T5 screws securing the AirPort/Bluetooth card to the logic board.
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Grasp the hard drive power connector and gently pull it out of its socket on the logic board.
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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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댓글 6개
Followed the guide and unfortunately i couldnt power the mac on after. But i suspect that the logic board or power might have been faulty
Has this iMac a M.2 SSD port? I watched some other disassembly’s from this Mac and there was mentioned, that it has a M.2 port.
Hans Peter - 답글
Hi! Just pulling one of these apart now and “Yes” there is a proprietary PCIe connector for an SSD — has to be an Apple one though.
Just to add that this Logic Board (Core i5) cannot be simply swapped with Logic board EMC 2742 w/ Core i7!
Hey that button cell on the logic board, will it need replaced? I can’t find info here nor OWC about changing it. I will be going in for upgrades, just picked one of these iMacs up, since I’m going in, don’t want to have to go in again if I don’t have to.