fusion upgrade

Thanks to all who have posted on this topic. I've read a lot of build/repair reports, and just wanted to make sure I had the latest info/recommended parts (and my facts straight). Given the complexity of this process you can understand why I'd like to do it only once. In addition, it's...

So first things first I have already performed the upgrade and all is well with one exception. Prior to performing the upgrade I did not decouple the fusion drive. I've since read that was a good first step...now the machine doesn't detect the HDD. It only detects the new blade SSD. I've...

Hi everyone! I have an iMac 27" mid 2017 with 1 Tb Fusion Drive and planning to perform an upgrade. Despite the fact that there are plenty of videos around the internet, describing how to do it, I still have some things that I is not clear for me. I'm planning to install Samsung EVO 850 - 500Gb...