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milomak

macrumors member
Original poster
Apr 25, 2010
73
1
There was a power failure while I was in Bootcamp.

What followed after that was that if I pressed the alt key, the Bootcamp drive was no longer visible.

In trying to bring it back from the dead, I noticed that there were 2 EFI partitions that I could see (the drive is still there and intact with its information)

as can be seen both disk0 amd disk1 have EFI type partitions.

Code:
$ 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_CoreStorage iMac                    120.3 GB   disk0s2
   3:                 Apple_Boot Boot OS X               134.2 MB   disk0s3
   4:                  Apple_HFS Boot OS X               134.2 MB   disk0s4
   5:           Linux Filesystem boot                    73.4 MB    disk0s5
   6:           Linux Filesystem                         440.4 MB   disk0s6

/dev/disk1 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *2.0 TB     disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:          Apple_CoreStorage iMac                    732.5 GB   disk1s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3
   4:       Microsoft Basic Data BOOTCAMP                1.3 TB     disk1s4

/dev/disk2 (internal, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Macintosh HD           +847.0 GB   disk2
                                 Logical Volume on disk0s2, disk1s2
                                 94350E47-4BD3-48A2-B9DC-454AACAF0083
                                 Unencrypted Fusion Drive
 
Not sure how to fix it, but for your info, my pure Bootcamp Windows 10 SSD is like this.
Screen Shot 2018-01-13 at 04.30.00.jpg
 
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