subject: Mac Disk Utility Program Fails To Recover Lost Files [print this page] Is your Mac OS X hard drive damaged? Do you need to format or repartition the hard drive? If 'Yes', Disk Utility is the tool that can help you. It is an in-built tool of Mac OS X operating system, used to perform hard drive-related operations. It enables you to create disk image, mount/unmount hard drive, enable/disable journaling, change/add partition table, check hard drive integrity, and repair damaged disk. The disk repair option of Disk Utility helps you to fix hard drive related errors, prevent data loss, and need of Mac Recovery solutions.
In Mac OS X 10.3 and earlier versions, you cannot use the Disk Utility to verify file structure of boot drive and repair directory structure of active startup disk. However, in Mac OS X 10.4.3 and later versions, Disk Utility can be used to verify the startup disk. In Mac OS X 10.5 Leopard, you can use this tool for live partitioning of hard drive. Live partitioning is the process of creating, resizing, and deleting the hard drive partitions without erasing them.
How to Repair Damaged Mac OS X Hard Drive Using Disk Utility?
Go through the below steps to detect and repair errors on your Mac OS X hard drive:
Start your system from Mac OS X Install disc.
Choose Disk Utility from Installer menu after your computer starts up from Install disc.
Click 'First Aid' tab.
Select the affected Mac OS X hard drive volume.
Click Repair button. The Disk Utility checks and repairs your Mac OS X hard drive.
When you run Disk Utility on a damaged Mac OS X hard drive, it checks integrity and consistency of the hard drive and file system. If it detects any error during the course of action, it prompts you a message and tries to fix it.
However, in some situations, Disk Utility cannot detect and fix damage to your hard drive and you come across error messages, similar to the following ones:
Disk Utility stopped repairing permissions on (volume name) because the following error was encountered: No valid packages
Or
Verify volume failed with error could not unmount disk (-10000)
In such cases, the disk cannot be repaired and you cannot access data stored on it. At this point, you need to perform Data Recovery Mac to retrieve your precious data.
Mac data Recovery is possible through third-party Mac disk Recovery Software. The applications enable safe, easy, and absolute recovery in all cases of data loss.
Stellar Phoenix Macintosh Data Recovery software recovers lost data from HFS, HFS+, HFSX, HFS Wrapper, and FAT file system volumes. The software works well with Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther.
