How to attach iMac (2012-2020) display using magnets
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Background
The iMac is a desktop computer made by Apple Inc. The first incarnations of iMacs were bulky and sported CRT displays. iMacs are known for having the entire computer integrated into a display-sized case. Since the release of the G5 in August 2004, iMacs have been updated with newer processors and other expansions several times
The most often replaced iMac parts include the storage (SSD), graphics card, logic board, and power supply.
Identification
Determining which model iMac you have can be a challenge. The same model numbers can have a variety of processor configurations. Even if you think you know exactly which iMac you have, a quick trip through the iMac identification system will help you nail down exactly which model you have.
The EMC number and model number can be found on the bottom of the stand: