


Volume is items immediately below the device's main name. Use the sidebar to select the volume you want to run First Aid.

#APPLE DISK AID MAC#
On the left is a sidebar that displays all volumes that are mounted on the Mac and on the right is the main control panel, showing information from the currently selected activity or device.Ĥ. At the top of the window is a bar containing commonly used functions, including First Aid. Because sometimes you may use Disk Utility, it's best to add it to the Dock for easier access in the future.ģ. Launch Disk Utility, located at / Applications / Utilities /.Ģ. First Aid with volume without start functionġ. In this example, we will use the Recovery HD drive that was created when you installed OS X. The main difference is the need to boot from another volume instead of the normal boot volume. The article will provide you with instructions for using Disk Utility's First Aid on volumes that do not have a startup function and then use First Aid when you need to repair the Mac boot volume. Or else, you can use the HD Recovery volume that OS X has created when it is installed on a Mac. This may be any drive that has installed a copy of OS X capable of booting. Mac boot drives cannot be unmounted while they are in use, which means you will have to boot your Mac from another bootable device. However, for First Aid to make any repairs, the selected volume must first be unmounted. You can use Disk Utility's First Aid on the Mac boot drive.
#APPLE DISK AID VERIFICATION#
Before El Capitan, you can only run the verification process yourself and then decide if you want to try it. Now when you run First Aid, Disk Utility will verify the selected drive and if it finds an error, automatically try to fix the problem. The main change is that First Aid no longer has the ability to verify the drive independently of repair. With the advent of OS X El Capitan, Apple made a few changes to how the First Aid feature works in Disk Utility. Disk Utility's First Aid feature can verify the status of the hard drive and, if necessary, perform a repair of the hard drive's data structure to prevent minor problems from becoming a big problem.
