If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. 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 you use to log in to your Mac.To begin installation, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation: There have been many, many MANY posts in this forum from folks who updated their OS without a cloned backup, didn't like the upgrade, and wanted to 'go back' - but had NO EASY PATH by which to do so.įollow the above instructions, and you will have that pathway.Reinstalling macOS does not remove data from your Mac.

You will then be 'where you started from'. RE-CLONING the cloned backup BACK TO the internal drive. It's FREE to download, and it's FREE to use (fully functional) for the first 30 days.īecause - if you upgrade and find things aren't to your liking or aren't working - there is NO EASIER WAY to 'get back, get back, get back to where you once belonged' than by:ģ. Use either CarbonCop圜loner or SuperDuper.

Don't know if you've actually upgraded yet, but I, too, would STRONGLY SUGGEST that before you try the upgrade, that you create a BOOTABLE CLONED BACKUP of your drive BEFORE you update.

How to get mac os 10.12