Chosen Solution
I have replaced my primary HDD with SSD. But my i mac is not detecting SSD. I can’t see it in disk utility about from “System report i can see it”. Please review screenshot from :https://www.dropbox.com/s/tsgnx6bdj029wb… when i execute diskutil commands.
To start with the Kingston SUV400S37 SSD is a SATA III (6.0 Gb/s) drive which by the spec sheet also is able to run at SATA II (3.0 Gb/s) interfaced systems. So it should work from that perspective. But! You likely need to update its firmware as well as your system. Here’s the Kingston drive tools: SSD Manager Sadly it requires MS Windows to run. So you’ll need to take your SSD out and use a SATA to USB adapter to hook it up to a Windows system to make sure the firmware is up to date as well as lock the SATA speed if you can to SATA II. As for your Mac you’ll need to put your old drive back in (if its still working) so you can check your systems firmware level. Here’s the Apple T/N you’ll need to reference: About EFI and SMC firmware updates for Intel-based Mac computers Make sure you’re at the listed version or newer. Let us know how it goes.
