How Do I Reinstall Mac Os from Windows?
Contents How Do I Wipe My Mac and Start Fresh? Shut Down Your Mac, Then Turn It on and Immediately Press and Hold These Four Keys Together: Option, Command, P...
Contents
How do I wipe my Mac and start fresh?
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.
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How do I revert back from Windows to Mac?
Restart your Mac, and hold down the Option key until icons for each operating system appear onscreen. Highlight Windows or Macintosh HD, and click the arrow to launch the operating system of choice for this session.