Fix “Erase Process has Failed” While Erasing Partition for Mac OS on Disk Utility

Fix "Erase Process has Failed" While Erasing Partition for Mac OS on Disk Utility

In this article, I am going to show you how to fix Erase Process has failed while erasing partition for Mac OS on disk utility. It’s an error that people usually get on disk utility while erasing or formatting a partition for macOS Sierra or El Capitan to “OS X Extended Journaled.”I get this sheet problem, and I wasn’t able to solve that then it make me clean the whole disk to solve it. Finally, I get a solution accidentally that worked for me, and I will show below that step by step to fix or solve Erase Process has failed.

Well, as I mentioned that people usually get this error on disk utility and here are the errors in written form and a snapshot below.

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

Fix "Erase Process has Failed" While Erasing Partition for Mac OS on Disk Utility

Fix “Erase Process has Failed” While Erasing Partition for Mac OS on Disk Utility

Solve/Fix “Erase Process has Failed” While Erasing Partition for Mac OS on Disk Utility

Note: The first method below, is found by me and it may work on any other PC, though it was a Lenovo Z50-70 Laptop, I am somehow sure that it will work for you as well. If it didn’t, then please let me know by the comments section, also don’t forget to check the second method as well.

Method #1 How to Fix “Erase Process has Failed”

Step #1. When you got this problem on disk utility, then power off your PC and boot into your Windows.

Step #2. Sign in and open disk management then select the partition that gives the error, then Delete that and create new volume but this time choose the file system exFAT. If you need help that I highly recommend you to visit the link below to get help.

Fix "Erase Process has Failed" While Erasing Partition for Mac OS on Disk Utility

Format to ExFat

Step #3. Now again boot into USB Installer and go to disk utility then format your drive to OS X Extended Journaled and this time it must work correctly. That’s it.

Fix "Erase Process has Failed" While Erasing Partition for Mac OS on Disk Utility

Erase Process is Completed

Method #2. How to Slove “Erase Process has choose

It is a very simple step, but before to do this make your sure that you have copied all your Data from your hard disk to and another disk or Backup the whole disk because this will surely clean the entire hard drive.

So after backing up or move your data, on disk utility under Internal select the drive, click on Erase button then name the disk, choose the format to OS X Extended (Journaled) and choose the Schema to GUID Partition Map, finally click Erase. That’s it will clean your whole disk without any issue.

Fix "Erase Process has Failed" While Erasing Partition for Mac OS on Disk Utility

Erase the Whole Disk

 

Method #3. Share your Own Method

Well, That was all about my experience that I shared above but if there is any other way to fix this problem, then please share in the comment section below to make this article complete. So the method 3 is your, anyone can give its suggestion and idea.

It was all about, how to fix Erase Process has failed while erasing partition for Mac OS on disk utility. If you faced any problem tell us below by comment, feel free to tell us. we’re waiting for your suggestion.

I am the CEO of wikigain.com and a network instructor. Here is my online pictorial notebook. I would like to write and share my experience through this website for computer enthusiasts, how to guides and technology geeks.

17 Comments

  1. Kiitarmonst Reply

    Seem like I couldnt post anylink and I was block how could I post screenshot?
    Erase process has failed click donr to continue
    Details
    Unmounting disk
    couldnt modify partion map
    process failed

    ps I had already changed from NTFS to exFAT

      1. Kiitarmonst

        https: //ibb. co/ePyHKa
        https: //ibb. co/dOA8QF
        https: //ibb. co/cyqmCv
        Here are the screenshot
        please delete 2 pacebar in each link

      2. Faiz Orz Post author

        If you don’t have any data inside that partition and delete it then create the new one and choose the format exFat. After that in disk utility it shouldn’t give any error, but if it did, then you need to clean the whole disk.

  2. sham Reply

    I am getting the same issue ,Can you please advise me. When i am trying to erase ,i am getting an error
    “erase process has failed.Click done to continue’
    SHOW DETAILS “mounting disc unable to write to the last block of the device operation failed”

    1. Cristina Reply

      Hi, I have the same problem, and I did the things suggested above but it didn’t work. Could you please tell me how you solved it

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