#Restart mac os disk utility for mac os x#

If you are running Mac OS X 10.4.3 or later and your startup disk is in Mac OS X Extended (Journaled) format Р’вЂ”Р’В the default format for Mac OS X 10.3 PantherР’В® and later Р’вЂ”Р’В you can use Verify Disk to verify the directory of your startup disk while your Mac is started up from such.

See Steps 1-2 of the Procedure specified in our 'Resolving Disk, Permission, and Cache Corruption' FAQ for step-by-step instructions on repairing your startup disk using your Mac OS X Install disc. To repair your startup disk, you must startup from your Mac OS X Install disc or another drive on which Mac OS X is installed. You cannot use Repair Disk to repair your Mac OS X startup disk Р’вЂ”Р’В for example, Macintosh HD Р’вЂ” while your Mac is started up (booted) from such.Keep in mind the following key points about Repair Disk: All hard disks have one or more volumes or partitions. A volume, also known as a partition, is section of a physical hard disk which, from the perspective of the operating system, works like a separate disk. The directory is analogous to a combined address book and road map to where data is stored on a disk or volume. Repair Disk verifies and, if problems are found, corrects issues with the directory on a disk or volume. Verify or Repair? The Repair functions of Disk UtilityР”Вisk Utility, located in the Macintosh HD > Applications > Utilities folder, can perform two types of repairs via the following choices in the First Aid tab:.Why are repairs needed? When should I use these functions?.It is a subset of the more comprehensive information on these topics from our book, Troubleshooting Mac OS X. This FAQ provides a brief overview of the Repair Disk and Repair Disk Permissions functions of Disk Utility in MacР’В® OS X. The Repair functions of Disk Utility: what's it all about?