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This works like a BIOS password or UEFI password on a Windows or Linux PC. You can also add a firmware password to your Mac.

RELATED: How to Secure Your Computer With a BIOS or UEFI Password For example, it’s useful if you have Windows installed alongside macOS with Boot Camp.

Use this tool to choose your computer’s default startup disk and reboot into another operating system. RELATED: How to Install Windows on a Mac With Boot CampĬlick the Apple menu on the bar at the top of your screen and select Startup Disk to access the Choose Startup Disk tool. If you need to edit partitions from outside your operating system, you can just boot into the recovery environment-you don’t have to download a special partitioning tool and boot into it.

It allows you to partition disks, format them, scan disks for problems, wipe drives, and set up drives in a RAID configuration. The Disk Utility option opens the same Disk Utility you can access from within macOS. It’s ideal for looking up troubleshooting information. This feature allows you to access and use a browser on your Mac even if it isn’t booting properly. It’s not limited to Apple’s website, though-you can navigate to any website you like. The Get Help Online link opens the Safari web browser to Apple’s documentation site. You’ll need an external disk containing a backup image created on the current computer to do this. This is like restoring a system image on another operating system. Instead of reinstalling macOS, you can choose to restore your Mac from a time machine backup. RELATED: How to Wipe Your Mac and Reinstall macOS from Scratch Microsoft could learn a lot from Apple here. Better yet, it will download up-to-date installation files so you don’t have to spend hours installing operating system updates later. Recovery Mode will download the macOS installer files from the Internet if you don’t have them locally, so they don’t take up space on your disk and you’ll never have to hunt for an operating system disc. Most people know Recovery Mode as the place you go to reinstall macOS on your Mac.

RELATED: Troubleshoot Your Mac With These Hidden Startup Options