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How to replace the main logic board in an iMac

Replacing the Fusion Drive with both a SSD and an harddisk

July 30, 2020 -

This month I did an attempt to upgrade my 27-inch iMac 5K. I wanted to replace the fusion drive with a SSD and a large hardisk. In addition I decided this was a good time to upgrade the RAM memory as well, maxing it out at 64GB. I was on a mission to create the ultimate iMac, but things didn't go to plan!

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Removing the other iMac speaker
Removing the other iMac speaker
Disconnecting the headphone cable
Disconnecting the headphone cable
Removing screws from the iMac
Removing screws from the iMac
Disconnecting the iSight's (Applespeak for webcam) USB cable
Disconnecting the iSight's (Applespeak for webcam) USB cable
Another box with parts - this time from Ireland
Another box with parts - this time from Ireland
YES, it works! The new logic board accepted keyboard input and allowed me to proceed with macOS installation
YES, it works! The new logic board accepted keyboard input and allowed me to proceed with macOS installation

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