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Changes to iMac Intel 21.5" EMC 3068 Heat Sink Replacement Introduction

Edit by Adam O'Camb

Edit approved by Adam O'Camb

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Title
21.5" Retina 4K Display (2017) EMC 3068 Heat Sink Replacement
21.5" Retina 4K Display (2017) EMC 3068 Heat Sink Replacement
Introduction
a iMac Intel 21.5" Retina 4K 2017 iMac. EMC 3068. [ … ] Some images in this guide use a 2015 iMac, which has minor visual differences. These differences do not affect the repair procedure. [ … ] This guide is marked "potentially dangerous" because it requires you to handle a power supply that contains large capacitors. Unplug the iMac and hold the power button down for at least 10 seconds to help discharge the capacitors. Handle the board by the edges and do not touch surface components.
a iMac Intel 21.5" Retina 4K 2017 iMac. EMC 3068. [ … ] Some images in this guide use a 2015 iMac, which has minor visual differences. These differences do not affect the repair procedure. [ … ] This guide is marked "potentially dangerous" because it requires you to handle a power supply that contains large capacitors. Unplug the iMac and hold the power button down for at least 10 seconds to help discharge the capacitors. Handle the board by the edges and do not touch surface components.
Summary
a 21.5" Retina 4K 2017 iMac Intel 21.5" EMC 3069. 3068.
a 21.5" Retina 4K 2017 iMac Intel 21.5" EMC 3069. 3068.

Guide Prerequisites

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  • Potentially Dangerous added.