Mac os disk utility restore

When the restore is complete, the volumes will be remounted on your Desktop, and Disk Utility will remove the selected volume from the Destination field, leaving it empty. Preparing an image file for restoring can be done from within the Disk Utility app.

Use Disk Utility to Clone a Mac's Drive

The process scans the image file, calculates the checksum, and reorders the files within the image. Image File Limitations Scanning an image file has a few limitations that can prevent some.

Accessing Disk Utility

Generally, if the image file uses the compressed format it should sail through the scan process. If you need to, you can convert the image file format using the Convert command in the Disk Utility Image menu. Name required. Email required. Leave this field empty. Notify me of follow-up comments by email. Notify me of new posts by email.

Directions above forgot to include an important step when cloning. I kept getting an error trying to restore to new SSD. Turns out the destination drive must first be formated, i. Move this volume to destination and click restore. Btw, I used the Restore option when holding down the Option key and powering on. I created a bootable clone of my Hard Diak in a MacBookPro and verified afterwards that it is bootable.

So far, so good.

I noticed the Restore… command while noodling around, then, looking for instructions, landed here. Yhanks, and a question: Say for instance you chose a volume that had two partitions: Not sure what DU would do in this instance.

Use Disk Utility to Clone a Mac's Drive

Now I see why: If a partion volume is selected, then the Restore options include any mounted partitions. Great write-up, I always appreciate the additional depth. I am wondering if disk utility can restore to an image file. The Rocket Yard has previously recommended making bootable drives using 3rd party products such as Carbon Copy Cloner. Would you recommend using Disk Utility to do this instead? You could then just use Time Machine and Disk Utility for your backup needs.

Both SuperDuper! That process will typically be much faster than a full backup. The sheet will also warn you that the volume you selected as the destination will be erased, and its data will be replaced with data from the source volume. Use the drop-down menu next to the "Restore from" text to select a source volume, and then click the Restore button.

macOS High Sierra Disk Utility: A Video Walkthrough

The Restore process will begin. A new drop-down sheet will display a status bar indicating how far along in the Restore process you are.

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You can also see detailed information by clicking the Show Details disclosure triangle. Click Done to close the Restore sheet. When you use the Restore function, both the destination and the source must be able to be unmounted. Instead, you can start your Mac from another volume that contains a bootable version of the Mac OS. This can be any volume attached to your Mac, including a USB flash drive, an external , or in the example we will use, the Recovery HD volume.


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Once you've booted from the Recovery Volume and used the step-by-step guide to launch Disk Utility, return here and use the Restore a Non-Startup Volume guide, above, starting at step two. You may have noticed over the years that I've recommended cloning apps, such as Carbon Copy Cloner and SuperDuper , for creating bootable clones as part of a backup system. So if cloning apps are better, why use Disk Utility instead? The reasons can be many, not the least of which are the simple facts that Disk Utility is free, and included with every copy of the Mac OS.

Share Pin Email. Tom Nelson has written hundreds of articles, tutorials, and reviews for Other World Computing and About. He is the president of Coyote Moon, Inc. Updated October 15, Continue Reading.


  • Categories.
  • Restoring from a disk image.
  • All You Need to Know to use Disk Utility on your Mac.
  • Disk Utility's Restore Function Lets you Create a Bootable Clone.