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Bootcamp stuck on partitioning

Can anyone tell me what to do here? I searched but didn't find an answer that matched my hardware and software.


I am using bootcamp and it froze at the partitioning stage. It is still open.


I have a late 2014 iMac 27" with Catalina 10.15.4


Thank you.

iMac Line (2012 and Later)

Posted on Sep 1, 2020 5:39 PM

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Question marked as Best reply

Posted on Sep 3, 2020 12:56 PM

Thanks LonerT. I actually already posted it above. I actually solved the problem myself. I finally decided to risk shutting down bootcamp. I went back and used diskutil and the Disk Utility app to remove any bootcamp partitions and the repair the others again. Then I restarted and reloaded everything to try again fresh. For some reason it didn't get stuck this time. So I am fixed. The only issue that I have now is that I can't use bootcamp in Windows 10 to switch back to MacOS. It says that it can't be found. But if i load it with a restart then there is no problem so I will just do it this way. It also made my windows partition about 230 gigabytes when I just wanted 100. But I will adapt. Thanks.

7 replies
Question marked as Best reply

Sep 3, 2020 12:56 PM in response to Loner T

Thanks LonerT. I actually already posted it above. I actually solved the problem myself. I finally decided to risk shutting down bootcamp. I went back and used diskutil and the Disk Utility app to remove any bootcamp partitions and the repair the others again. Then I restarted and reloaded everything to try again fresh. For some reason it didn't get stuck this time. So I am fixed. The only issue that I have now is that I can't use bootcamp in Windows 10 to switch back to MacOS. It says that it can't be found. But if i load it with a restart then there is no problem so I will just do it this way. It also made my windows partition about 230 gigabytes when I just wanted 100. But I will adapt. Thanks.

Sep 2, 2020 4:44 AM in response to Loner T

Thank you for replying. A first attempt told me that the disk cannot be partitioned. So I followed the troubleshooting steps and scanned the drives with disk utility. Both were fine. I checked for unallocated free space and there wasn't any. And I turned off Time Machine. Turning off Time Machine fixed the error. But then it froze on this:

Sep 1, 2020 6:21 PM in response to Ranat1

Also this is what I get from diskutil list

/dev/disk0 (internal, physical):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   GUID_partition_scheme            *121.3 GB  disk0

  1:            EFI EFI           209.7 MB  disk0s1

  2:         Apple_APFS Container disk2     121.1 GB  disk0s2


/dev/disk1 (internal, physical):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   GUID_partition_scheme            *1.0 TB   disk1

  1:            EFI EFI           209.7 MB  disk1s1

  2:         Apple_APFS Container disk2     1000.0 GB disk1s2


/dev/disk2 (synthesized):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   APFS Container Scheme -           +1.1 TB   disk2

                 Physical Stores disk0s2, disk1s2

  1:        APFS Volume Macintosh HD - Data   710.1 GB  disk2s1

  2:        APFS Volume Preboot         81.1 MB  disk2s2

  3:        APFS Volume Recovery        528.1 MB  disk2s3

  4:        APFS Volume VM           4.3 GB   disk2s4

  5:        APFS Volume Macintosh HD      11.2 GB  disk2s5


/dev/disk3 (external, physical):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:   FDisk_partition_scheme            *15.5 GB  disk3

  1:        Windows_NTFS WinInstall       15.5 GB  disk3s1


/dev/disk4 (disk image):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:              CCCOMA_X64FRE_EN-US... +5.3 GB   disk4


/dev/disk5 (disk image):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:              Boot Camp       +2.8 GB   disk5


/dev/disk6 (disk image):

  #:            TYPE NAME          SIZE    IDENTIFIER

  0:              Boot Camp       +2.8 GB   disk6


Christophers-iMac:~ christopherbreton$ 

Bootcamp stuck on partitioning

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