We have also gathered the free online. Please click on the links to explore the complete list of details for each required feature. Disk Utility default file extension is. DMG and other Disk Utility supported extensions are:. It's all about files and software programs. We provide you the precise details, easy navigation and advance searching.
But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac or virtual machine running that operating system.
For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities. Below is the detailed instruction how to do it. Now the OS should start downloading automatically onto the external drive.
After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Locate InstallESD. The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Instruction to downgrade from macOS Sierra. Before you do it, the best advice is to back your Mac up so your most important files stay intact.
In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers. The easiest way to do it is to run CleanMyMac X on your machine download it for free here.
New Releases. Desktop Enhancements. Networking Software. Trending from CNET. Download Now. Developer's Description By Apple. System Disk Utility 2. Full Specifications. What's new in version 2. Release August 25, Date Added September 29, Version 2. If you know of other great Mac software let me know in the comments below. What Mac OS X repair tools do you like? Please leave a comment to help others, or if the above tools have helped you.
And as for hardware, click this link if you want to repair hard drive-Mac for more details. Excellent Mac disk repair software is provided above, for you to consider and try their features for yourself.
This list contains some other handy Mac software I consider to be the best tools for techs and Mac owners. If you run First Aid on a disk, Disk Utility checks the partition maps on the disk and performs some additional checks, and then checks each volume. If you run First Aid on a volume, Disk Utility verifies all the contents of that volume only. Otherwise, continue to the next step. You can click Show Details to see more information about the repairs.
Otherwise, you may need to do one of the following. You need to check each file in the list of affected files. Most of the files in the list have aliases in a DamagedFiles folder at the top level of your disk. If your Mac has a Fusion Drive and you see a flashing question mark or alert, see the troubleshooting section of the Apple Support article About Fusion Drive, a storage option for some Mac computers.
For information about servicing your Mac, see Find out how to service or repair your Mac. It works differently than other data repair programs. Cost: Free!
Mac Data Rescue Data Rescue is a data recovery program that focuses purely on recovering data from corrupt drives instead of hard drive repair. Interesting interface!
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