Disk image mac el capitan

However, unlike any other app, if you run the OS X installer from that default location, the app deletes itself after it's done installing OS X. If you plan to use the OS X installer on other Macs, or—in this case—to create a bootable installer drive, be sure to copy the installer to another drive, or at least move it out of the Applications folder, before you use it to install the OS on your Mac.

If you don't, you'll have to redownload the installer from the Mac App Store before you can use the instructions below. Follow this tutorial to properly format the drive if you're using OS X Yosemite or older.

Create a blank disk image for storage

In my articles on creating a bootable installer drive for older versions of OS X, I provided three, or even four, different ways to perform the procedure, depending on which version of OS X you were running, your comfort level with Terminal, and other factors. Starting with Mavericks, the OS X installer hosts a hidden Unix program called createinstallmedia specifically for creating a bootable installer drive. Using it requires the use of Terminal, but createinstallmedia works well, it's official , and performing the procedure requires little more than copying and pasting.

How to make a bootable OS X El Capitan installer drive | Macworld

The only real drawback to createinstallmedia is that it doesn't work under OS X If you absolutely refuse to go near Terminal, an El Capitan-compatible version of DiskMaker X is now available , although I haven't yet had the chance to test it. Erasing Disk: Copying installer files to disk Copy complete. Making disk bootable Copying boot files The procedure can take as little as a couple minutes, or as long as 20 to 30 minutes, depending on how fast your Mac can copy data to the destination drive.

Once you see Copy Complete.

  • Use Disk Utility to Clone a Mac's Drive.
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  • Restore a disk image to a disk using Disk Utility on Mac.

You can boot any El Capitan-compatible Mac from your new installer drive. First, connect the drive to your Mac. Then, restart your Mac or, if it's currently shut down, start it up while holding down the Option key. Alternatively, if your Mac is already booted into OS X, you may be able to choose the installer drive in the Startup Disk pane of System Preferences, and then click restart. In fact, you'll see the same OS X Utilities screen you get when you boot into OS X Recovery—but unlike with recovery mode, your bootable installer includes the entire installer.

How to Burn Disc Images in Mac OS Without Disk Utility

Updated today to Sierra from Yosemite. Can't find disk backup function in new Disk Utility Azamat Safarov Azamat Safarov 33 1 6.

That's it, but doesn't work with hard drives xD - error 5. Sign up or log in Sign up using Google. Sign up using Facebook.

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Mac El Capitan Disk Utility Explained