Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:
Note how this is different from re-installing OS X with Internet Recovery, which loads entirely from the internet, and then reinstalls the original version of OS X which came with the Mac instead, that method is sometimes necessary if the standard recovery option doesn’t load, or if you want to reinstall the original version of OS X for the. NOTE: If your Mac came with macOS Catalina, you can restart your Mac while holding down Shift-Option-Command-R to enter Internet Recovery Mode and install the operating system that came with your Mac. Otherwise, follow the steps below to install Catalina back on your Mac. Connect your Mac to the internet via Wi-Fi or Ethernet. Here's how to restore a Mac by reinstalling macOS via the internet using macOS Utilities and Recovery mode. To an older version of the operating system if the latest version is. MacOS 10.14 Mojave is the best Mac operating system yet – but it’s not without its problems. Read on to find common macOS 10.14 problems and how to fix them. Reinstall macOS from the App Store instead of using macOS Recovery. If you can't install the latest macOS, you might be able to install an earlier macOS. Create a bootable installer, then use it to install macOS on your Mac or another Mac. If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the.
If you're asked to select a user you know the password for, select the user, click Next, then enter their administrator password.
Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the installer's instructions.
Follow these guidelines during installation:
After installation is complete, your Mac might restart to a setup assistant. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
By default, macOS Recovery installs the latest macOS that was previously installed on your Mac.* You can get other macOS versions using one of these methods:
* If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS compatible with your Mac. If you erased your entire disk instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available.