In this article, I’m going to show you how to fix Erase Process Has Failed during partitioning macOS High Sierra hard drive on Disk Utility. You might have experienced this issue on the later version of macOS (macOS Sierra, Mac OS X El Capitan, Mavericks, Yosemite”. I’m not really 100% sure that why this error occurs sometimes. In some cases, it’s because of the disk scheme and format. In this guide, I’m going to show you two methods that really help you to sort out this frustrating problem.

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Related: Fix erase process has failed while erasing the disk

So if your Mac computer almost ran out of the storage space, your macOS update stuck at the beginning for sure. To make sure how much space your Mac has left, from the Apple menu, select About This Mac More Info Storage. If your Mac update failed definitely owing to the storage space, the only thing you need to do is to free up the space on. If your Mac continues to fail to boot, follow Apple’s instructions on creating an external Mac startup disk. It may be worth restarting your Mac in Safe Mode, then trying to install macOS 10.14.

Fixed Erase Process Has Failed Click Done to Continue

This error occurs differently for the people but the solution is almost the same. This guide is going to assist you to figure out this matter.

  • Erasing “Untitled 3” and creating “Untitled 3”
  • Erase process has failed. Click Done to Continue
  • Erase process has failed couldn’t unmount disk
  • Erase process failed. “press say to continue

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Method 1: Erase a Volume

You see this error message when you want to erase a partition on Disk Utility. If you want to fix it then navigate to your windows operating system and open Disk Management. Create a new volume and choose the File System “exFat“. Check the step by step guide on how to create a new volume on Windows 10. Once the partition has been created, boot into the macOS High Sierra Bootable USB installer. Or if you are trying to build a Hackintosh and having this problem then boot via USB installer.

On the Disk Utility window select the partition you’ve created on Windows then click on the Erase tab. As a name, choose any name for the volume you want and as a format select “MacOS Extended Journaled“. Select the scheme “GUID Partition Map” and click on the Erase button.

macOS High Sierra Disk Utility

If this solution doesn’t work for you or even you run the Windows operating system and you’re on an actual Macintosh environment so follow the 2nd method that I’m pretty sure will ease you.

Method 2: Erase the Whole Drive

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If the first method didn’t work for you, just backup or transfer all your data from the target drive to save a place like an external HDD. Once you’re done, follow the step below.

Fail

Step #1. Click on the small down arrow at the top-left corner of the Disk Utility window and select Show All Devices.

Show All Drives

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Step #2. Select the main hard drive, not the volume then click on the Erase tab. A small window will appear now. As a name type any name you want and as format select Mac OS Extended Journaled, as a scheme select GUID Partition Map. Click the Erase button and wait for a while.

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As you can see the screenshot down below has formatted successfully without any issue.

Mounting Disk is Successfully Done

Video Tutorial:

Conclusion

In this guide, we’ve covered some tips and tricks Fixed Erase Process Has Failed, Click Done to Continue on macOS High Sierra or latest version of Mac Operating system on Disk Utility Window. Again, if you’ve got any kind of issue on this topic or you know another method please let us know in the comment section down below this post. We’ll be so happy to hear any kind of feedback from you guys.