Disk Utility is Apple's go-to macOS app for finding and repairing common disk errors, but if it's your Mac's internal disk that's the problem, then your Mac might not even start up into macOS.
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Restart a Mac in recovery mode the right way
Exact steps for Intel and Apple Silicon Macs ...
After purchasing an Apple silicon M1-based Mac, people have discovered that an external startup volume used with an Intel Mac won’t boot the newer computer. Apple has organized hidden partitions that ...
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