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

Remove the two 4.0 mm T5 Torx screws securing the four antenna connectors to the AirPort/Bluetooth card.

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