Chosen Solution
I have just bought a crucial 32gb memory kit for my Mac and have been trying to install it with no avail. Then i go back to just the apple memory and still no action. Any suggestions?
Sounds like you didn’t insert the models in correctly. There is a left and right side and you do need to fully seat them once you get the orientation correct. Review these two Apple T/N’s iMac memory specificationsInstall memory in an iMac
Are you using and purchased the right memory? iMac (Retina 5K, 27-inch, 2017) Get memory specifications for iMac (Retina 5K, 27-inch, 2017), then learn how to install memory in this model. Memory specifications This iMac model feature Synchronous Dynamic Random-Access Memory (SDRAM) slots near the bottom of the computer with these memory specifications: Number of memory slots 4 Base memory 8GB (2 x 4GB DIMMs) Maximum memory 64GB (4 x 16GB DIMMs) Use Small Outline Dual Inline Memory Modules (SO-DIMM) that meet all of these criteria: PC4-2400 (19200) Unbuffered Nonparity 260-pin 2400MHz DDR4 SDRAM
