![]() The only choice at that point was to perform an Internet Recovery to re-install macOS. If you had no backup your data was gone with no chance of recovery. If the private key is gone the public key pairing will do you no good whatsoever. The recovery key is a public key which has a private key pairing stored on the Secure Enclave within the T2 Security Chip co-processor SoC running BridgeOS. Thus leaving you with an encrypted disk you could not recover even if you had the recovery key. Thus interrupting a firmware update to BridgeOS running on the T2 chip and reset the T2 Secure Enclave meaning they wiped all the private keys out. ![]() There have been firmware updates from Apple where the MacBook Pro w/T2 screen and all the lights go out and it really looks like it's been turned off and people went and manually held the physical power button as a result. ![]() Encryption seriously complicates recovery. If you have a backup, you don't need to repair or recover from disk failures.Īny Mac with a T2 Security Chip (iMac Pro, Mac Pro (2019), MacBook Pro's 2018+) or now the M1 Apple Silicon Macs are factory encrypted out of the box. I cannot stress enough the importance of backup in todays world of SSD and hardware level encryption on the newest Macs. But if that fails and you have an HDD with bad sectors then something like this should help considerably: Again, Disk Utility is recommended for any normal maintenance and repair. That being said, most of the 3rd party products for APFS offer more data recovery features than disk maintenance features. Then they added Fusion Drive support after that. APFS was never really designed for HDD's and support was added later on after the initial release of APFS. I have a tens of thousands of PCs and Macs at work and it is extremely rare for an SSD to fail. Today's SSD drives are ridiculously stable and reliable. Typically you would run the First Aid at the lowest level first and work your way up to the Container and then the Physical Disk. But the built-in Disk Utility should be enough especially with modern SSD drives. Since then there are a few vendors who have added support for APFS. APFS is proprietary to Apple and arrived with High Sierra in 2017.
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