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#MAC DISK UTILITY REPAIR PERMISSIONS EL CAPITAN HOW TO#
#MAC DISK UTILITY REPAIR PERMISSIONS EL CAPITAN UPDATE#

When this has finished quit the Disk Utility application.

Click on the "Repair Disk Permissions" button.

Click on the 'First Aid' tab at the top.

Select your boot disk hard disk icon in the top left e.g.

Go to Macintosh HD > Applications > Utilities > Disk Utility.

Repair Disk Permissions (OS X 10.10 or earlier) NOTE: If you are running OS X 10.11 or later please see these instructions. If you are running OS X 10.11 or later please see these instructions.

#MAC DISK UTILITY REPAIR PERMISSIONS EL CAPITAN UPDATE#

NOTE: With the introduction of System Integrity Protection (SIP) (OS X 10.11 or later) the need to repair permissions has been greatly reduced as the operating system now automatically maintains permissions and also the act of installing a system software update will automatically repair permissions too. Sometimes the standard set of permissions can get messed up (especially when installing third party software/software updates) so through Apple's Disk Utility you can "repair" these permissions. In simplistic terms, these tell the computer whether you, the operating system software or another application has the ability to read, write, change and/or delete the file or folder.

#MAC DISK UTILITY REPAIR PERMISSIONS EL CAPITAN HOW TO#

How To Repair Your Boot Disk's Permissions Article ID = 7Īrticle Title = How To Repair Your Boot Disk's PermissionsĪ step by step guide on how to repair your boot disk's permissions Repair Boot Disk PermissionsĮvery file and folder on your hard disk has a set of "permissions".