iMac 21.5" Retina 4K 顯示器（2017）內存記憶體更換

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iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

When removing and installing the logic board, take care not to damage the delicate microphone ribbon cable at the bottom left.
Lift the logic board straight up and out of the iMac.
Be careful not to snag the board on any of the rear enclosure's screw posts.

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