Choose Disk Utility when the OS X Utilities pop-up appears.Hold the key combination until the Apple logo appears.

As your computer restarts, press Command + R when you hear the startup sound.Go to the Apple Menu and click Restart.Here are the steps to follow on how to use Mac recovery mode to repair the disk errors: About Outbyte, uninstall instructions, EULA, Privacy Policy. Your choice will depend on the type and the severity of your Mac disk error. Reinstalling OS X can be done by rolling back to an earlier version using Time Machine, installing a new copy of your OS X over a pre-installed copy to fix some issues, or to completely erase the disk and install a fresh copy of your OS X. You have two options to fix it, the first one is to reinstall the updated version of your OS X and the 2 nd option is to run a diagnostic scan using Disk Utility. Recovery Mode is your Mac’s only hope when it encounters issues that prevent your computer from doing anything valuable. You don’t need to use an external disk boot drive to resolve the error because you can do that using OS X’s Recovery Partition. The idea is to boot your Mac into Recovery Mode first and then run the repair function from there to repair the disk. Aside from Disk Utility, you can also use third-party tools to scan your computer for errors and pinpoint issues to resolve.īut what if the problem is access to the Disk Utility or any 3 rd party tools because your computer won’t start? Don’t worry, because your Mac can let you launch a standalone version the machine’s Disk Utility from your computer’s built-in recovery partition.

It can also be used to erase or reformat a disk, scan for physical errors on the disk, and repair disk permissions.

The tool is used to repair Mac disk errors in your Mac such as corrupted files, non-responsive external devices, or the suddenly quitting of multiple apps. When you can’t boot up your Mac unit because of OS X-related errors, your only hope is the Disk Utility tool.

How to repair mac disk in recovery mode