Can't boot to Windows partition on Macbook 9,1 (Mid 2012)

Discussion in 'Windows, Linux & Others on the Mac' started by hipur, Mar 3, 2017.

  1. hipur, Mar 3, 2017
    Last edited: Mar 3, 2017

    hipur macrumors newbie


    Mar 3, 2017
    I've installed Windows 8.1 to my Macbook Pro 15 mid 2012 via legacy mode, all went ok. It was installed to disk1s1 (HDD in optical bay), my OS X 10.11 sits in my SSD (disk0) on the main bay.

    Disk1s2 is a data partition.

    I can see the Windows drive if I press alt during EFI boot, but when I try to boot it, says:
    My HDD is MBR and my SSD is GPT.

    /dev/disk0 (internal, physical):
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *250.1 GB   disk0
       1:                        EFI EFI                     209.7 MB   disk0s1
       2:          Apple_CoreStorage Macintosh SSD           249.2 GB   disk0s2
       3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
    /dev/disk1 (internal, physical):
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:     FDisk_partition_scheme                        *500.1 GB   disk1
       1:               Windows_NTFS Untitled                128.0 GB   disk1s1
       2:                  Apple_HFS FCBD                    372.1 GB   disk1s2
    /dev/disk2 (internal, virtual):
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:                  Apple_HFS Macintosh SSD          +248.8 GB   disk2
    If I remove my SSD, Windows boots normally and I can work all day.

    How to boot with both drives connected?

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