install mac os on pc without mac external hard drive

The procedure we are going to use below will completely erase all data on the drive and you will no longer have access to it.

You will have a clean formatted disk without any garbage on it that will probably perform better.ĬAUTION: If you do already have your own data on the drive and need to save anything, make sure you backup your hard drive first. Whatever the reason may be, it doesn’t really matter, the best way to proceed is to use the Disk Utility to erase the disk and start over fresh. You may have a used Mac that you bought or someone gave to you and you don’t know the password, you may have forgotten your password or other possible reasons.

When the new owner starts up the Mac, they can use their own information to complete setup.There are numerous reasons why your disk may be locked and the installer is not letting you re-install your macOS.

If you're selling, trading in, or giving away your Mac, press Command-Q to quit the setup assistant without completing setup, then click Shut Down. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.Īfter installation is complete, your Mac might restart to a setup assistant. Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.

If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.

If the installer asks to unlock your disk, enter the password that you use to log in to your Mac.

Click Continue, then follow the onscreen instructions.

When you see a window with the option to reinstall macOS, your Mac has started up from Recovery.

Install mac os on pc without mac external hard drive