I accept a 2013 Macbook Air and I bought a logicboard that was either absolutely what I had or close. (I couldn’t bethink the absolute ghz or RAM.) Installed it with the advice of ifixit, seemed fine, but back I try to cossack up, I get a aflame binder with a catechism mark. I can’t cossack into safe approach and baddest a start-up disk, my alone advantage is Internet Recovery…
So, my deejay is there and the Macbook sees it in the Repair account but boilerplate else. I additionally removed the SSD from the laptop and acquainted it via USB into a additional 2012 Macbook Air with a anatomy I bought, and I am able to cossack up from it on the added Macbook Air, so I apperceive the drive works and boots up. SMC and PRAM displace didn’t work.
I don’t bethink which adaptation of OS X I had installed on my Macbook Air afore I dead the logicboard (I can analysis if it matters, I think), and I don’t apperceive what OS this acclimated logicboard had, so I don’t apperceive if there could be a advice mismatch, but I am at a accident on what to do next. I accept a apathetic 2012 Macbook Air and a Windows 10 PC at my auctioning to try to accomplish this work. I’m aloof not acceptable with Macs. Thank you!
So, it was a bit of a headache, but I assuredly got my Macbook Air animate with @danj’s instructions. I did try to aloof use a bare USB (after accepting to amount out how to appropriately architecture the drive) and go through the internet accretion prompts to install Mountain Lion and afresh upgrade. It started OK, I got Mountain Lion installed, but it could not advancement for some acumen and I was accepting absurdity letters at the end, article about the amiss firmware – I don’t alike remember. So afresh I absitively to aloof try to do a High Sierra bootable USB, but the adaptation of High Sierra that Apple provided in the Apple Store was not the abounding installer (a accepted problem), so it wouldn’t work. The advocacy I saw to get the actual High Sierra installer was via non-Apple sources, so I autonomous not to do that and go a safer route. So afresh I approved Mojave, as Dan recommend, and I kept accepting absurdity letters during installation. First the deejay was “locked” and I couldn’t amount out how to alleviate it. So I got a additional USB to accomplishment the action with a deejay that was not locked, and afresh I kept accepting an absurdity bulletin adage “the installer assets were not found.” I kept trying, and I put my centralized SSD central the laptop, and somehow afterwards like three times it formed and installed Mojave off the one USB and assimilate the added USB. Once Mojave was installed on the USB, I shut it down, removed the USB drives and approved to cossack off the centralized SSD and voila, my Macbook Air was animate afresh active High Sierra and attractive absolutely as it did afore I alone it in the sink.
It was a cephalalgia and took all day because of all the accidental errors I kept encountering, and it appropriate a lot of googling instructions and trial-and-error, but eventually it worked. The affair was absolutely 100% that my SSD was formatted as APFS and the argumentation lath I put in there alone accustomed HFS. Apple switched over from HFS to APFS with the addition of High Sierra, so “teaching” my logicboard how to admit APFS by accepting High Sierra or after installed was the solution. For anyone who sees this, as continued as you can acquisition a way to do that, you’ll be all set.
How To Factory Reset Macbook Pro 21 – How To Factory Reset Macbook Pro 2013
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