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How & Why to Repair Disk Permissions in OS X with Disk Utility

Jan 13, 2015 - 30 Comments
Repairing Disk Permissions on a Mac with Disk Utility in OS X

Repairing Disk Permissions is a simple procedure that Mac users can run with the Disk Utility app or through the command line, and, as the name suggests, it repairs the permissions of various files on the target drive. Repairing permissions can be helpful when troubleshooting some fairly specific issues, or after installing or uninstalling a … Read More

Repair Boot Disk in Mac OS X with Disk Utility & Recovery HD

Feb 8, 2012 - 14 Comments
Repair Disk on Boot Volume

If you have tried to repair the boot volume before in Mac OS X before, you’ll undoubtedly have found the “Repair Disk” option is grey and unavailable within the Disk Utility tool. While this is still the case while booted in most versions of Mac OS X, you can repair the Mac OS X boot … Read More

How to Repair User Permissions in Mac OS X

Nov 15, 2011 - 72 Comments
Use Disk Utility to erase free space on a Mac hard drive

In modern versions of Mac OS X, repairing permissions from the Disk Utility app doesn’t repair the users file permissions, oddly this has to be done separately on a per-user basis. If you’re running into problems with Spotlight not finding documents or folders, or if you’re having other issues that can usually be fixed with … Read More

Repair Disk Permissions from the Command Line in Mac OS X

Aug 10, 2010 - 11 Comments
Use Disk Utility to erase free space on a Mac hard drive

In some situations, you may need to repair a Macs disk permissions but be unable to access the Disk Utility app, perhaps due to remote management or because of a problem with something in OS X. Fortunately there’s another method you can use to repair disk permissions in Mac OS X, accessible through the command … Read More

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