Joe Falco

Q: The boot disk can not be partitioned or restored to a single partition.

Hello, I bought a few days before the mac . I need to have windows to handle a scanner , so I tried Boot Camp . Unfortunately , I do not know how, but after several failed attempts , I found that Boot Camp does not work now and reports "The boot disk can not be partitioned or restored to a single partition . " I tried deleting the volumes added from windows , but it is likely that it has remained one for error ( EFI ). This is the current situation:

/dev/disk0 (internal, physical):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *1.0 TB     disk0

   1:                        EFI EFI                     209.7 MB   disk0s1

   2:          Apple_CoreStorage Macintosh HD            959.4 GB   disk0s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

   4:                        EFI NO NAME                 104.9 MB   disk0s4

/dev/disk1 (internal):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                         24.0 GB    disk1

   1:                        EFI EFI                     314.6 MB   disk1s1

   2:          Apple_CoreStorage Macintosh HD            23.6 GB    disk1s2

   3:                 Apple_Boot Boot OS X               134.2 MB   disk1s3

/dev/disk2 (internal, virtual):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Macintosh HD           +982.0 GB   disk2

                                 Logical Volume on disk1s2, disk0s2

                                 79068DB8-F40B-4F92-A98D-20948AA81B80

                                 Unencrypted Fusion Drive

I suppose the problem is the volume /dev/disk0s4. So it is?
Can I delete it with a control terminal?


iMac (Retina 5K, 27-inch, Late 2015), OS X El Capitan (10.11.1), Windows10

Posted on Dec 7, 2015 1:05 PM

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Q: The boot disk can not be partitioned or restored to a single partition.

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