Using Terminal in the Recovery mode lets you run various commands to troubleshoot the existing issues on your Mac. However, when your Mac is undergoing startup problems, launch the tool from the Recovery mode to repair disks (by using First Aid) or format the startup disk. You can use the tool just like any other app. Use Disk Utility to scan, repair or erase a disk or other storage device. You can also download the Apple Support app to get instant help. In addition, browser plug-ins and extensions are disabled. In the Recovery mode, the Apple Support website is linked by default. Safari option (or get online help) lets you open the Safari browser to contact Apple Support (with your Mac connected to the internet). That’s when you can try upgrading, reinstalling, or downgrading your computer via Recovery mode. Not every macOS is flawless, and it may come with glitches or be the cause of a sluggish Mac. This option lets you do the trick when you decide to update your current macOS, downgrade to a previous version or do a clean install.

Tools Available in Mac Recovery Mode Reinstall macOS

Reinstall the current macOS to fix the bugs, etc.

Fix issues related to your disk drives by using Disk Utility.

Wipe off all the information when trading or giving away your Mac.

Fix startup problems when you experience issues like your MacBook starting to a blank or a pink screen of death.

Recovery mode is used to perform the following actions:

Use Firmware Password Utility and Network Utility.

Run Disk Utility to repair or wipe disk drives.

Restore missing files using Time Machine.

In this article, we’ll take a quick look at each of its tools and learn how to enter and exit the Mac recovery mode properly. It allows you to boot your Mac from a limited partition to troubleshoot and fix software-related issues or after other Mac operations. MacOS Recovery, introduced in 2010, is part of any Mac’s built-in recovery system and comes as a default feature.

How to repair mac disk in recovery mode