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Changes to iMac Intel 27" EMC 2639 Logic Board Replacement Introduction

Edit by Tony Ross

Edit declined by Evan Noronha

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Introduction
Use this guide to remove the logic board and strip it of all its peripherals: SSD, AirPort, heat sink and CPU, and RAM. [ … ] '''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. [ … ] '''Be very careful''' not to touch the capacitor leads or any exposed solder joints on the back of the power supply. Only handle the board by the edges. [ … ] '''*** PLEASE BE AWARE ***''' If you open your Mac to replace the logic board, the new logic board will NOT have a serial number "flashed" onto it. This can cause issues with iTunes and various other authorisations required by your Mac to function properly. [ … ] Both Apple and other Authorised Repair centres such as Stormfront, ''may'' refuse to touch your Mac after this "unauthorised" repair.
Use this guide to remove the logic board and strip it of all its peripherals: SSD, AirPort, heat sink and CPU, and RAM. [ … ] '''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. [ … ] '''Be very careful''' not to touch the capacitor leads or any exposed solder joints on the back of the power supply. Only handle the board by the edges. [ … ] '''*** PLEASE BE AWARE ***''' If you open your Mac to replace the logic board, the new logic board will NOT have a serial number "flashed" onto it. This can cause issues with iTunes and various other authorisations required by your Mac to function properly. [ … ] Both Apple and other Authorised Repair centres such as Stormfront, ''may'' refuse to touch your Mac after this "unauthorised" repair.
Time Required Min
3 hours
Time Required Max
3 hours