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#Mac command for disk utility at startup how to#
#Mac command for disk utility at startup mac os x#
#Mac command for disk utility at startup software#

You will receive a prompt if repair was successful. This time select the partition (not the disk) on the left panel. If steps 1 and 2 were successful, run first aid again. If you are unable to boot into the users account then you can run Disk Utility from either the recovery partition or from the netboot environment.Ĭlick on the 'First Aid' button while selecting the hard drive on the left panel. Launch Disk Utility by opening Finder and navigating to Applications > Utilities > Disk Utility. When checking in make sure to get format approval as the drive will likely have to be formatted or replaced completely.

#Mac command for disk utility at startup software#

If a computer is unable to successfully complete any of these steps it should be booked in for software repair.

#Mac command for disk utility at startup how to#

This document details how to use Apple's built in disk utility to attempt minor software repair in OSX.Īpple Disk Utility is a utility built into OSX that identifies and repairs minor problems with the hard drive. In Recovery Mode, macOS runs a special sort of recovery environment. It'll boot into Recovery Mode, and you can click Disk Utility to open it up.

To access the Disk Utility on a modern Mac-regardless of whether it even has an operating system installed-reboot or boot up the Mac and hold Command+R as it boots.

#Mac command for disk utility at startup mac os x#

Reboot the Mac and hold down Command+R to boot into Recovery, or hold down OPTION Select 'Recovery HD' at the boot menu At the Mac OS X Utilities screen, select 'Disk Utility' Select the boot volume or partition from the left menu and click on the 'Repair' tab Repair. How to Repair a Mac Boot Disk with Disk Utility in Mac OS X.You need to use this version of Startup Disk to. The Utilities folder on the Mac OS X CD contains Startup Disk version 9.2, the control panel you use to select the startup disk for your computer.RELATED: 8 Mac System Features You Can Access in Recovery Mode. Or, open a Finder window, click Applications in the sidebar, double-click the Utilities folder, and then double-click Disk Utility. You can also click the Launchpad icon on your dock, click the Other folder, and then click Disk Utility.Then, you need to check if the boot drive is corrupted and fix related issues with Disk Utility. The symptoms vary from a flashing folder at Mac startup to a frozen loading bar with or without an Apple logo. Another situation that you want to access Disk Utility is when Mac is not turning on.