Command R not working? How to reinstall macOS if Mac Recovery won’t work

In the event of a serious problem with your Mac, you may need to reinstall your Mac operating system. There’s a simple way to do this using your Mac Recovery partition or via Mac Internet Recovery. You can access the Recovery mode via the keyboard combination Command + R on an Intel-powered Mac, or by pressing and holding the power button on a M-series Mac. But what do you do if Mac recovery mode isn’t working or Command

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