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- January 14, 2020 at 7:52 AM #88620IreneGuest
i have mac air book 2017. the 128 GB SSD went bad. of course out of warranty. Apple verified SSD bad getting folder with question icon on screen. not wanting to pay $400 to replace. i bought a internal 512GB SSD to replace bad 128GB. i installed new ssd but not recognizing new ssd. supposedly the new ssd is a plug n play. comes with Mojave pre-installed. since original ssd card bad no way for me to verify OS firmware is MacOS 10.13.6 (high sierra) or MacOS 10.14 (Mojave). i thought i had Catalina on old ssd.
1) how do i update firmware of system when i have a bad SSD?
2) the new ssd supposedly is APFS firmware only and can not run on MacOS versions lower than 10.13.6 or 10.14
since installed new ssd card under disk utilities not recognizing. i’m assuming my firmware is older and/or not APFS.
not sure what to do next to get computer running.