I am replacing the failed ssd on my 2013 27” imac. That ssd was itself a hdd replacement. I have a Time machine backup created in Big Sur. Apple seems to offer Catalina os via internet recovery to my imac, based on recent efforts. Will my big sur backup work? If not, need a way to install big sur on the new ssd. Thanks!
iMac 27″
There are 3recovery options...
Command (⌘)-R
Install the latest macOS that was installed on your Mac.
Option-⌘-R
Upgrade to the latest macOS compatible with your Mac.
Shift-Option-⌘-R
Install the macOS that came with your Mac, or the closest version still available.
As Bones McCoy says, “He’s dead, Jim.” I watched videos, got guidance and correct drive and kit from OWC (can’t say enough positive about them!). Only to find that the tech who previously replaced my hd with a ssd must have re-adhered the display with something other than adhesive strips. Maybe silicone adhesive caulk or even superglue? Impervious to gentle wedging, even when heated. I found a small gap in his adhesive line, could not extend it at all. So, the gods have spoken.
Once again, thanks to everyone here who pitched in to try to help me remedy my iMac woes. Great folks here!
Tried that- nope, not even with heating. Which is why superglue came to mind. Whatever it is, I could see no way I’d be able to elevate the display to remove the cables and the lower adhesive. Hammer and chisel would work…. ;-)
Thanks for the report... if Silicon it's easy to slice, maybe a single edge Razor Blade?
Thanks BDAqua- I was unaware of the 3rd one. My machine ran Big Sur fine- repair tech installed it with first ssd install. Apple deems my computer not compatible with it, anyway. Hope option 3 brings up Big Sur. I otherwise will try restore via Catalina and report back (assuming diy ssd replacement goes as planned).
OK, fingers crossed.:)
OK, best of luck to you my friend. :)
Big sur Time Machine backup to catalina?
