So i’ve been digging around and this seems to be a personalized problem for each situation.

I have been running bootcamp with Win 7 ultimate 64 with no problems except i ran out of space.  Once i resized the OSX partition to give me more space to add to the Win partition i lost the ability to boot into windows.

How can i fix this?

So I upgraded to El capitan and as many others who also had a bootcamp partitioned to Windows 7, it seems to be lost. I no longer see it at all and it seems to be that I’ve completely lost my partition.

I’ve got a MacBook Air (2012). From looking at other posts of similar nature, posting the outputs to these terminal commands may seem to help better understand what’s going on:

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 Macintosh HD            95.1 GB    disk0s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

   4:                  Apple_HFS Untitled                19.9 GB    disk0s4

/dev/disk1 (internal, virtual):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Macintosh HD           +94.7 GB    disk1

                                 Logical Volume on disk0s2

                                 E5EC66B9-74BF-4DE9-AD09-5A119026A731

                                 Unlocked Encrypted

diskuitl cs list:

CoreStorage logical volume groups (1 found)

|

+– Logical Volume Group 354D3220-F19E-4796-8A53-2940F94706A0

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

    Name:         Macintosh HD

    Status:       Online

    Size:         95104536576 B (95.1 GB)

    Free Space:   11276288 B (11.3 MB)

    |

    +-< Physical Volume ABD35477-4946-473A-A26D-16BAAB8688CA

    |   —————————————————-

    |   Index:    0

    |   Disk:     disk0s2

    |   Status:   Online

    |   Size:     95104536576 B (95.1 GB)

    |

    +-> Logical Volume Family 9071B6B9-1CB7-469A-BE54-E9A48B78E33E

        ———————————————————-

        Encryption Type:         AES-XTS

        Encryption Status:       Unlocked

        Conversion Status:       Complete

        High Level Queries:      Fully Secure

        |                        Passphrase Required

        |                        Accepts New Users

        |                        Has Visible Users

        |                        Has Volume Key

        |

        +-> Logical Volume E5EC66B9-74BF-4DE9-AD09-5A119026A731

            —————————————————

            Disk:                  disk1

            Status:                Online

            Size (Total):          94740938752 B (94.7 GB)

            Revertible:            Yes (unlock and decryption required)

            LV Name:               Macintosh HD

            Volume Name:           Macintosh HD

            Content Hint:          Apple_HFS

sudo gpt -vv -r show/dev/disk0:

gpt show: /dev/disk0: mediasize=121332826112; sectorsize=512; blocks=236978176

gpt show: /dev/disk0: PMBR at sector 0

gpt show: /dev/disk0: Pri GPT at sector 1

gpt show: /dev/disk0: Sec GPT at sector 236978175

      start       size  index  contents

          0          1         PMBR

          1          1         Pri GPT header

          2         32         Pri GPT table

         34          6        

         40     409600      1  GPT part – C12A7328-F81F-11D2-BA4B-00A0C93EC93B

     409640  185751048      2  GPT part – 53746F72-6167-11AA-AA11-00306543ECAC

  186160688    1269536      3  GPT part – 426F6F74-0000-11AA-AA11-00306543ECAC

  187430224   10486448        

  197916672   38799320      4  GPT part – 48465300-0000-11AA-AA11-00306543ECAC

  236715992     262151        

  236978143         32         Sec GPT table

  236978175          1         Sec GPT header

——————————————–

sudo fdisk /dev/disk0:

Disk: /dev/disk0 geometry: 14751/255/63 [236978176 sectors]

Signatu 0xAA55

         Starting       Ending

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

————————————————————————

1: EE 1023 254  63 – 1023 254  63 [         1 –  236978175] <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

Any help or advice would be much appreciated please!!

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?

Hello,

I’m having a problem that I can’t seem to find being talked about anywhere on here. Everything was working fine. My BootCamp partition was running out of space. I wanted to increase the partition size, because I actually have plenty of space on the Mac side.

I ended up searching and following the procedure he

https://discussions.apple.com/message/24377993#24377993

“1) backup all your files (optional but strongly reccomended).

2) Using OSX Disk Utility resize MacintoshHD partition leaving unallocated space as much as you need to add to bootcamp partition.

3) Set Bootcamp as Boot Disk and restart the mac.

4) in Bootcamp with Windows running launch Mini Tool Partition and select the bootcamp partition.

5) Choose “expand” option in order to expand the partition using all the unallocated space.

6) The program prompt to you to restart the mac for apply the task, cause is not possible while the partition is mounted and windows running.

7) Restart the mac and then automatically Mini Tool Partition will do the job in a “graphic msdos like” form.”

I got to step 3, and this is when I started having an issue. I resized my Mac partition to have about 100 less GB. Did step number 3, but I got that black screen that said something along the lines of “No bootable device found — insert disk and press any key”. You know, the message that pops up when the software that allows the system to boot can’t be found.

I had to restart and press the option key. It’s weird. My Mac partition shows up just fine, but the BootCamp partition isn’t there. I loaded the Mac side back up, and, I can actually still see my Bootcamp partition in the finder window. I can go in, see all the files, and everything. I can still select Windows as my Target Boot Disk. It just won’t load.

How can I fix this?

Hello.

Alright, so I dun goofed the first time I created my windows partition on multiple levels, but I’ve got a much more solid grasp of things now. I had to delete everything and restore from a time machine backup, so I’ve got a fresh slate now.

However, I’m going about things differently this time in that I want to use an external SSD for use with my Windows 10 partition. I’ve read a lot about this, but everything I’ve come across is conflicting and not exactly my situation, so I thought I’d clear up my steps on here before I undergo this thing.

This is my build:

MacBook Pro (Retina, 15 inch, Mid-2015)

Version: OS X El Capitan 10.11.2 Beta (15C48a)

Processer: 2.8 GHz Intel Core i7

Memory: 16 GB 1600 MHz DDR3

Graphics: Intel Iris Pro 1536 MB

Storage: 500GB

These are the accessories I’m planning to use for this:

External Enclosure

2.5-Inch SATA III Internal SSD

and a 32GB USB 3.0 Thumb Drive (if necessary)

Now I’m not completely sure I can even install my windows partition onto an external SSD because I’ve read so many conflicting things, but if not, it’s okay because I can still use the 250GB SSD as storage for gaming while using the windows partition.

That being said I’d prefer to install the windows partition to the external SSD to avoid compromising the storage space on my MacBook Pro.

If anyone could explain the step by step process for this to me or provide a link to an existing solution for my situation I’d be super grateful. Thank you for reading this!

Hello everybody. I’m trying to install win 7 with bootcamp on iMac 27 late 2013, i7 3.5 GHz, fusion drive 3TB, El Capitan 10.11.1

I followed every step of installation with bootcamp, but in the windows installation screen, after formatting the BOOTCAMP partition I get this error msg: “impossible create a new partition or locate an existing one”.

Could you help me please?

My MBP running 10.9.5 was having issues starting up. I booted into recovery and used Disk Utility to repair my disk. Can boot into OS X just fine now, but when I hold alt/ option to get boot options for Bootcamp, Windows partition no longer is available.

When I boot into OS X I can see my partition and access the files, I’m guessing Disk Utility removed the boot partition or some such thing.

Any help would be appreciated!

Hi guys, Please Help.

I installed Windows 10 Home using boot camp today on my Mac with Os X Lion. I set the partition Windows 200GB. So now in my HDD Disk are have 2 volume (Mac OS X And BootCamp Windows System)But now i want a another volume (3rd volume) for my Windows from Windows Drive volume.

I tried already from windows disk management using shrink volume,  but i cant. After shrink then when i try to make a new volume from unallocated drive, but the pop up menu says “The operation you selected will convert the selected basic disk(s) to dynamic disk(s). If you convert the disk(s) to dynamic, you will not be able to start installed operating systems from any volume on the disk(s) (except the current boot volume). Are you sure you want to continue?”

I choice No, because i don’t want to loss my Os x Lion. but i cant make any new Volume.

Guys please help me, What is the easiest way to make a another new volume from BootCamp Windows volume?

Kawsar

Thanks and waiting.

Hi all.

I’m using a Mac Air with El Captain 10.11.1

My bootcamp with Windows 10 was running ok, today i’ve created a new partition to extend windows partition.

It was made in Mac disk utiity.

After that windows is not bootable anymore.

Windows partition mount and work on Mac OS.

I have 3 partitions: Macintosh HD – Untitled – Windows.

Here are the output for some commands: (notice that windows partition is listed like disk 5)

diskutil list

diskutil cs list

sudo gpt -vv -r show /dev/disk0

sudo fdisk /dev/disk0

MacBook-Air-de-Ricardo:~ Barbieri$ 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 Macintosh HD            38.1 GB    disk0s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

   4:                  Apple_HFS Untitled                22.3 GB    disk0s4

   5:       Microsoft Basic Data WindowsSystem           60.0 GB    disk0s5

/dev/disk1 (internal, virtual):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Macintosh HD           +37.7 GB    disk1

                                 Logical Volume on disk0s2

                                 EF0DAAB2-0675-42BA-BBF0-503F6E586497

                                 Unencrypted

MacBook-Air-de-Ricardo:~ Barbieri$ diskutil cs list

CoreStorage logical volume groups (1 found)

|

+– Logical Volume Group 7132A7B6-34BF-44BF-A9C5-FC171DA3D0F6

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

    Name:         Macintosh HD

    Status:       Online

    Size:         38080155648 B (38.1 GB)

    Free Space:   18948096 B (18.9 MB)

    |

    +-< Physical Volume 0A211CA8-82D0-4CDE-B1DD-7E618260D339

    |   —————————————————-

    |   Index:    0

    |   Disk:     disk0s2

    |   Status:   Online

    |   Size:     38080155648 B (38.1 GB)

    |

    +-> Logical Volume Family 1B3FC191-1C21-4882-8F49-AE4A205EEB9D

        ———————————————————-

        Encryption Type:         None

        |

        +-> Logical Volume EF0DAAB2-0675-42BA-BBF0-503F6E586497

            —————————————————

            Disk:                  disk1

            Status:                Online

            Size (Total):          37708886016 B (37.7 GB)

            Revertible:            Yes (no decryption required)

            LV Name:               Macintosh HD

            Volume Name:           Macintosh HD

            Content Hint:          Apple_HFS

MacBook-Air-de-Ricardo:~ Barbieri$ sudo gpt -w -r show /dev/disk0

Password:

gpt: illegal option — w

usage: gpt [-rv] [-p nparts] command [options] device …

MacBook-Air-de-Ricardo:~ Barbieri$ sudo fdisk /dev/disk0

Disk: /dev/disk0    geometry: 14751/255/63 [236978176 sectors]

Signatu 0xAA55

         Starting       Ending

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

————————————————————————

1: EE 1023 254  63 – 1023 254  63 [         1 –  236978175] <Unknown ID>

2: 00    0   0   0 –    0   0   0 [         0 –          0] unused     

3: 07    0   0   0 –    0   0   0 [         0 –          0] HPFS/QNX/AUX

4: 07    0   0   0 –    0   0   0 [         0 –          0] HPFS/QNX/AUX

Thanks in advance

Hi guys, I’ve been trying to install a windows 7 with BOOTCAMP for the last few days but nothing worked so far, here’s a list of methods i tried:

– BOOTCAMP ->

– Disk Utility: tried create a new partition from Data partition with all kind of partition formats, and the results were all “illegal name” and “it should be 59356 instead of 59352″

– Also did a First Aid check on Data partition and got this error

– Also tried with bootable OSX usb

– As well as “hoped” to be able to crack a new partition with bootable windows 7

I had 3 partitions before when on older OS X, then I merge/delete (don’t really remember) the BOOTCAMP to Data partition. Now my macbook is running on El Capitan.

Other info: Macbook pro 13″ mid 2012. 500GB HDD. El Capitan OS & 1 Parallel windows

Would love to hear any suggestion, thanks a lot!

I have a MacPro with Windows 8 installed. It was installed using the Bootcamp application in the utilities folder. I installed it in June with half of the computer space being partitioned (500gb each). I used it successfully for a few months without any problems. Then in September there were some internet problems. There was a lot of lag and the pages or applications would try loading for a minute until it came up with the error: Could not connect to the internet. This was strange since I was clearly connected to the wifi, but when I tried to use the internet the same error always came up. Troubleshooting didn’t find anything.

I decided to not use the windows partition for a few days and after a month or so I went onto the Windows partition and everything worked just fine. I could use the internet again for several weeks until about mid October when the same problem happened, from one day to the other. I decided to try the same tactic, wait a month or so but nothing happened. Since then I’ve tried troubleshooting, restarting the computer, rebooting the internet router. Forgetting the network I use, using a different network but nothing changes. I’m curious if there are any other solutions or if the only option at this point is to delete the windows partition and re-instal it.

Any suggestions and help is appreciated! Thanks

So I finally got the courage to bootcamp my Macbook Pro.  Here’s my stats:

Macbook Pro Late 2011, (does have an optical drive)

Processor  2.4 GHz Intel Core i5

Memory  4 GB 1333 MHz DDR3

Software  OS X 10.9.1 (13B42)

When I start the Bootcamp, I get stuck at ‘please format the USB drive as single FAT partition.’

When I check the USB, it is empy and the info says it already IS in single FAT.

Any suggestions on what to do next?

I have windows 8.1 on my bootcamp partition.  I used disk utility to give the bootcamp partition more space.  Now the windows option will not boot.

So, I just upgraded to El Capitan several days ago on my mid-2012 macbook pro. So far, this is mostly been a mistake as my computer is mostly unusable for any of my IDEs and even the Terminal is sluggish. But, the most annoying thing is that I can’t restart my computer. When I try, it just hangs as if it’s about to restart with no icons on the desktop and displays the background wallpaper. When I force a restart it attempts to do an update (I’m guessing the 10.2 update) when the apple logo pops up. But the update is never applied and attempts to do the same again next time I reboot.

Booting into the disk utility I attempted to repair everything one at a time. When I attempted to repair my Ubuntu partition I got an error saying that something might be wrong that would cause a problem when booting. So, I figured I’d just erase it (Ubuntu isn’t a particularly good OS for a laptop, anyway). I erased it and then attempted to remove the partition at which point I get told that the operation can’t be performed because the disk is too small.

I should note: I do not have a Time Machine Backup. Not sure why, as I don’t recall ever turning it off. I just discovered that during this whole process.

Any ideas?

I have a MacBook Pro (Retina, 13-inch, Late 2013)

Running 10.10.5

I started the process of installing windows yesterday but ran into a few issues (Missing DVD drivers warning which was actually a using a Flash drive thats too big/wrong file type) Anyway, my various attempts resulted in the 50GB of space I partitioned using BCA to go missing. I have backed up using time machine and am ready to do a total restore at this point but I am worried because the 50GB is not even showing up in Termainal when I search for it. All the other methods I have read on here over the last few hours have been people whose partition does show up but just needs to be repaired using fdisk or whatever.

Im not to interested in messing around too much I just want to get the thing started restoring so I can start from scratch with the windows install. I need to know if after doing a full wipe of my drive im going to be still missing that 50GB

Here is a list of my Terminal outputs:

MY-MacBook-Pro:~ myname$ sudo gpt -r -vv show disk0

Password:

gpt show: disk0: mediasize=251000193024; sectorsize=512; blocks=490234752

gpt show: disk0: PMBR at sector 0

gpt show: disk0: Pri GPT at sector 1

gpt show: disk0: Sec GPT at sector 490234751

      start       size  index  contents

          0          1         PMBR

          1          1         Pri GPT header

          2         32         Pri GPT table

         34          6        

         40     409600      1  GPT part – C12A7328-F81F-11D2-BA4B-00A0C93EC93B

     409640  390899288      2  GPT part – 53746F72-6167-11AA-AA11-00306543ECAC

  391308928    1269536      3  GPT part – 426F6F74-0000-11AA-AA11-00306543ECAC

  392578464   97656255        

  490234719         32         Sec GPT table

  490234751          1         Sec GPT header

MY-MacBook-Pro:~ myname$ sudo fdisk /dev/disk0

Disk: /dev/disk0 geometry: 30515/255/63 [490234752 sectors]

Signatu 0xAA55

         Starting       Ending

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

————————————————————————

1: EE 1023 254  63 – 1023 254  63 [         1 –  490234751] <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     

MY-Pro:~ myname$ diskutil list

/dev/disk0

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *251.0 GB   disk0

   1:                        EFI EFI                     209.7 MB   disk0s1

   2:          Apple_CoreStorage                         200.1 GB   disk0s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

/dev/disk1

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Macintosh HD           *199.8 GB   disk1

                                 Logical Volume on disk0s2

                                 31C1D849-83DD-46DD-A44A-BD811B7FD3BF

                                 Unencrypted

I had hardware failure in my late 2013 Retina MacBook Pro (11,3 model), and had to purchase a currently available model with similar specs (mid-2015, 11,5 model) as a replacement. Now I am trying to transfer the content of 1 TB drive from old to new machine. I have OS X, recovery partition for OS X, and bootcamp partition with Windows 7 on the drive. I thought the hardware was sufficiently similar that the OSes would just run after I clone the drive, but nope. Nothing boots on the new machine. Holding Option key at startup lists OS X boot options, does not list the Windows boot option (unlike on the old machine), and none boots when selected.

The only important partition from the above is Windows 7 bootcamp. It’s deeply tweaked and recreating it from a fresh install would take me one week of work. I don’t use OS X, it just remained on the drive as a useless remainder from bootcamp installation. However, OS X seems to be involved at the beginning of Windows boot process (wish I understood more how that stuff works).

What can I possibly do to make this Windows 7 partition run on the new hardware?

After using migration assistant to transfer my info from old macbook pro ( 10.6.8 )to new one (10.10.5), the majority of my files and settings did not transfer over.  According to someone who knows more about computers that I do, it created a partition with 2 separate users on the new macbook  I want to go back to factory settings  on the new Macbook and try a different method to transfer everything over.  How who I do that?

Hi all,

after a year I noticed I never use OSX and I only use Windows on the bootcamp partition.

1. Is it safe to remove the OSX partition so I have more place for the bootcamp partition?

2. If I would ever need OSX again, could I reinstall it?

thanks

Gert

Disk utility cannot partition main drive [exFAT], 75GB. Error. Trying to create a new Windows 10 partition. Since, Bootcamp is crap. Trying install it manually.