TheDarkDark_
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Q: Bootcamp Partition

Hi,

I attempted to install Windows tonight via bootcamp, and now I'm thinking I probably should've had someone helping me along. When it came time to format the Bootcamp partition in the Windows installer, I received an error message, and had no choice but to start the installation over. When I got back to the screen, the Bootcamp partition was no longer called "Bootcamp." To make matters worse, I misunderstood an instruction on this page and deleted the drive, I guess. When I attempted to start over from the beginning (with Bootcamp Assistant) it said the startup disk could not be partitioned.

 

Have I totally screwed myself? Is there any way I, a layman, will be able to fix this for myself?

 

Thank you.

iMac (Retina 5K, 27-inch, Late 2015), OS X El Capitan (10.11.2)

Posted on Dec 13, 2015 6:14 PM

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TheDarkDark_

Q: Bootcamp Partition

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  • Helpful answers

  • by Loner T,

    Loner T Loner T Dec 13, 2015 6:23 PM in response to TheDarkDark_
    Level 7 (23,898 points)
    Safari
    Dec 13, 2015 6:23 PM in response to TheDarkDark_

    From OS X Terminal can you post the output of the following commands?

     

    diskutil list

    diskutil cs list

    sudo gpt -vv -r show /dev/disk0

    sudo fdisk /dev/disk0

     

    If you have Fusion drive, add the following

     

    sudo gpt -vv -r show /dev/disk1

    sudo fdisk /dev/disk1

     

     

    The "sudo" commands will prompt for your password, and it will not be echoed back. You may also see a warning about improper use of "sudo" and potential data loss due to "abuse" of the command.

  • by TheDarkDark_,

    TheDarkDark_ TheDarkDark_ Dec 13, 2015 9:20 PM in response to Loner T
    Level 1 (0 points)
    Dec 13, 2015 9:20 PM in response to Loner T

    What is supposed to happen after this? When I open up Boot Camp Assistant it says "The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows."

     

    Ahhh what does it all mean.

  • by Loner T,

    Loner T Loner T Dec 13, 2015 9:27 PM in response to TheDarkDark_
    Level 7 (23,898 points)
    Safari
    Dec 13, 2015 9:27 PM in response to TheDarkDark_

    The commands I posted show us the current state of your disks. They do not modify your system to make it ready for Windows. You already have a partition on your disk, but there are some things (MBR) which is missing.

     

    Please see Lost my Windows 7 Boot Camp partition after upgrading to Yosemite. Help! as an example of the output of the commands.

     

     

    Please also see How to install Windows using Boot Camp - Apple Support .

     

    Other helpful links...

     

    https://help.apple.com/bootcamp/assistant/6.0/

    https://help.apple.com/bootcamp/controlpanel/5.1/

  • by TheDarkDark_,

    TheDarkDark_ TheDarkDark_ Dec 13, 2015 9:34 PM in response to Loner T
    Level 1 (0 points)
    Dec 13, 2015 9:34 PM in response to Loner T

    I see.. Sorry, just assume I don't know anything about this. In almost 10 years of computing with a Mac, I've never even opened the Terminal app.

    diskutil list

    /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            958.4 GB   disk0s2

       3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

       4:       Microsoft Basic Data OSXRESERVED             8.0 GB     disk0s4

       5:           Windows Recovery                         471.9 MB   disk0s5

       6:                        EFI NO NAME                 104.9 MB   disk0s6

       7:         Microsoft Reserved                         16.8 MB    disk0s7

       8:           Windows Recovery                         471.9 MB   disk0s8

       9:                        EFI NO NAME                 104.9 MB   disk0s9

      10:       Microsoft Basic Data                         31.8 GB    disk0s10

    /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           +981.0 GB   disk2

                                     Logical Volume on disk1s2, disk0s2

                                     C2E0E9AE-03E6-435D-A3F2-EEE37CF1A923

                                     Unencrypted Fusion Drive

    /dev/disk3 (external, physical):

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *250.1 GB   disk3

       1:                        EFI EFI                     209.7 MB   disk3s1

       2:                  Apple_HFS KID A                   249.7 GB   disk3s2

    /dev/disk4 (external, physical):

       #:                       TYPE NAME                    SIZE       IDENTIFIER

       0:      GUID_partition_scheme                        *4.0 TB     disk4

       1:                        EFI EFI                     314.6 MB   disk4s1

       2:                  Apple_HFS MYBOOK                  4.0 TB     disk4s2


    diskutil cs list

    CoreStorage logical volume groups (1 found)

    |

    +-- Logical Volume Group 9C48A65B-707D-4719-ABD4-91E7BFB79693

        =========================================================

        Name:         Macintosh HD

        Status:       Online

        Size:         981904777216 B (981.9 GB)

        Free Space:   49152 B (49.2 KB)

        |

        +-< Physical Volume 554C3660-5542-45DA-8DD0-11E14972FC59

        |   ----------------------------------------------------

        |   Index:    0

        |   Disk:     disk1s2

        |   Status:   Online

        |   Size:     23553724416 B (23.6 GB)

        |

        +-< Physical Volume F12E15FC-D902-4F80-8E7C-7C0EFDD2A1B7

        |   ----------------------------------------------------

        |   Index:    1

        |   Disk:     disk0s2

        |   Status:   Online

        |   Size:     958351052800 B (958.4 GB)

        |

        +-> Logical Volume Family FC8DBAAA-2C06-4DEC-A0FE-963120D6231E

            ----------------------------------------------------------

            Encryption Type:         None

            |

            +-> Logical Volume C2E0E9AE-03E6-435D-A3F2-EEE37CF1A923

                ---------------------------------------------------

                Disk:                  disk2

                Status:                Online

                Size (Total):          980999995392 B (981.0 GB)

                Revertible:            No

                LV Name:               Macintosh HD

                Volume Name:           Macintosh HD

                Content Hint:          Apple_HFS

                LVG Type:              Fusion, Sparse


    iMac:~ carolineroyce$ sudo gpt-vv -r show /dev/disk0

    Password:

    sudo: gpt-vv: command not found

    iMac:~ carolineroyce$ sudo fdisk /dev/disk0

    Disk: /dev/disk0 geometry: 121601/255/63 [1953525168 sectors]

    Signature: 0xAA55

             Starting       Ending

    #: id  cyl  hd sec -  cyl  hd sec [     start -       size]

    ------------------------------------------------------------------------

    1: EE 1023 254  63 - 1023 254  63 [         1 - 1953525167] <Unknown ID>

    2: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    3: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    4: 00    0   0   0 -    0   0   0 [         0 -          0] unused  


    sudo gpt -vv -r show /dev/disk1

    gpt show: /dev/disk1: mediasize=24002560000; sectorsize=4096; blocks=5860000

    gpt show: /dev/disk1: PMBR at sector 0

    gpt show: /dev/disk1: Pri GPT at sector 1

    gpt show: /dev/disk1: Sec GPT at sector 5859999

        start     size  index  contents

            0        1         PMBR

            1        1         Pri GPT header

            2        4         Pri GPT table

            6    76800      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B

        76806  5750421      2  GPT part - 53746F72-6167-11AA-AA11-00306543ECAC

      5827227    32768      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC

      5859995        4         Sec GPT table

      5859999        1         Sec GPT header


    sudo fdisk /dev/disk1

    Disk: /dev/disk1 geometry: 726/128/63 [5860000 sectors]

    Sector size: 4096 bytes

    Signature: 0xAA55

             Starting       Ending

    #: id  cyl  hd sec -  cyl  hd sec [     start -       size]

    ------------------------------------------------------------------------

    1: EE 1023 254  63 - 1023 254  63 [         1 -    5859999] <Unknown ID>

    2: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    3: 00    0   0   0 -    0   0   0 [         0 -          0] unused     

    4: 00    0   0   0 -    0   0   0 [         0 -          0] unused

  • by Loner T,Helpful

    Loner T Loner T Dec 13, 2015 10:05 PM in response to TheDarkDark_
    Level 7 (23,898 points)
    Safari
    Dec 13, 2015 10:05 PM in response to TheDarkDark_

    There is always the first time. A Mac is a Unix machine hiding behind a pretty UI.

     

    1. Please disconnect My Book and Kid A, till the Windows installation is fully operational.

    2. Do you have a backup setup using Time Machine? If not, I highly recommend

         Use Time Machine to back up or restore your Mac - Apple Support

         Backup disks you can use with Time Machine - Apple Support

    3. Your current partitioning is a mess (disk0s5-disk0s10 should not exist). The simplest solution is to backup your OS X side, via TM, boot into Internet Recovery - OS X: About OS X Recovery - Apple Support - and erase your internal disk(s) and restore from TM,

    4. Run the following two procedures after the Restore

         Resetting the System Management Controller (SMC) on your Mac - Apple Support

         How to Reset NVRAM on your Mac - Apple Support

    5. Re-run the BCA process again. Do not connect any external storage till you have Windows installed, otherwise you get to repeat this again. Use a USB flash drive only, if necessary.

    6. What is the version of Windows you want to install?


    (I may not respond for next few hours).

  • by TheDarkDark_,

    TheDarkDark_ TheDarkDark_ Dec 13, 2015 10:08 PM in response to Loner T
    Level 1 (0 points)
    Dec 13, 2015 10:08 PM in response to Loner T

    Thank you for your detailed response! This sounds a bit intense, so I'll have to focus on it another day -- my getting Windows installed is not urgent, though I'm pretty anxious to get it resolved.

  • by Loner T,

    Loner T Loner T Dec 13, 2015 10:10 PM in response to TheDarkDark_
    Level 7 (23,898 points)
    Safari
    Dec 13, 2015 10:10 PM in response to TheDarkDark_

    It may look daunting, the looks are deceptive. Post back when you are ready. Please set up Time Machine irrespective of when you choose to tackle Windows.

  • by TheDarkDark_,

    TheDarkDark_ TheDarkDark_ Dec 13, 2015 10:12 PM in response to Loner T
    Level 1 (0 points)
    Dec 13, 2015 10:12 PM in response to Loner T

    Thanks again - what about creating a new partition in disk utility out of the fusion drive? That showed up in my research. Advisable? Inadvisable?

  • by Loner T,

    Loner T Loner T Dec 13, 2015 10:30 PM in response to TheDarkDark_
    Level 7 (23,898 points)
    Safari
    Dec 13, 2015 10:30 PM in response to TheDarkDark_

    You already have too many partitions. A 32Gb partition for current versions of Windows is woefully inadequate. Please use 60-100GB.