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Get Help Online: when your Mac computer is unbootable, you can click it to open Apple’s support page using Safari and look for the solutions to your issue.Reinstall macOS: this feature allows you to reinstall your macOS when the system encounters issues and can’t boot.You need to connect the backup drive to your Mac in advance.
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Repair external hard drive mac safe mode how to#
How to Recover Data from a Mac That Can’t Boot?.Solution 7: Use Mac Internet Recovery to Reinstall macOS.Solution 3: Make sure Your Keyboard Is Properly Connected to Your Mac.