You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Windshadow99 Author

Level 1

34 points

More boot camp problems new 5k imac 3 tera fusion drive

there seems to be problems with Yosemite and boot camp assistant

i'm cross posting this to the iMac forum but I spent hours online with apple tech today and none of the several foks I talked to there had even seen a 5k 27" yet and my call back from Cupertino and engineering is no till tomorrow so I thought I should post here too

MMy bto 5k shipped from China sunday night and arrived in Maine this morning.... Amazing when you think about it for a bto

iinstallation and set up we're going fine and I started up boot camp assistant to create a temp boot camp while I wait for my thunder bay 4 box to take the drives for my old Mac pro when boot camp will have a1 tera SSD all to itself....

so carved off a 700 gig boot camp partition which the assistant formatted fat I then plugged is the lighting to FW adapter in a LaCie 2 tera fw 800 drive to act as a bridge to my LaCie DVD burner which uses the old fw400 cables and inserted my new shrink wrap win 8.1 retail 64 DVD and up comes the win 8 install in very tiny type in a tiny window which got a bit of a laugh out of me.

And I go through it to the point of selecting that boot camp partition and then said it could not use a fat partition and I should reformat it from the win 8.1 installer which I did and then it said it could not use and unknown partition so I said great and booted back to 10-10 and the boot camp tool to put things back and it said it could not I then went to disk tools and it also said the 3tera fusion could not be either reformatted or put back to a single partition I was on with tech support where I went up through 4 levels of support due to the 5k bto which most had no knowledge of. We tried the optioncommand r to get to DT and the same problem as did going to reinstall from the net which after a 30 min down load could not reformat either it is now kicked to Cupertino with a call back tomorrow

( At this point all I want to do is put the computer back in the condition it was in when i started with a plain Yosemite on an unpartitioned 3 tera fusion... Then deal with boot camp when it can have its own drive)

am betting it will take a Unix comand line to reformat but be aware there may be boot camp issues with my configuration

and any help here will be great fully received

iMac, OS X Yosemite (10.10)

Posted on Oct 21, 2014 4:04 PM

Top-ranking reply

Loner T

Level 9

59,513 points

Posted on Oct 21, 2014 6:04 PM

There is a much easier and cleaner method on the new iMac 5K, because it is a full UEFI machine and Windows 8.1 is UEFI compliant. The traditional bootcamp Hybrid MBR is a travesty on such a beautiful machine.

Please see this thread - Re: Problem installing Windows (7, 8.0, 8.1) on BOOTCAMP - Mavericks.

Initializing the internal disk may not be necessary at all but Command+Opt+R and DU is needed, if you really need to initialize the internal Fusion HD.

This thread can help you initialize the internal drive - Re: Can't format former Boot Camp partition

View in context

138 replies

Loner T

Level 9

59,513 points

Oct 27, 2014 11:08 AM in response to Windshadow99

The internal SSD is still in checking mode. We do not really need Yosemite. Use the DVD and boot and install on the 600GB empty space. BC drivers can be downloaded/installed after Windows finishes, if at all.

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 11:10 AM in response to Windshadow99

OOk I am at an option boot screen looking at my wifi logged in and these disk images

macintosh HD

FIshingBoat (my time machine backup)

shimmo (contains a 10.8 system)

recovery-10-10

orange (time machine for my old computer)

windows (the dvd icon )

efi boot (also dvd icon)

Loner T

Level 9

59,513 points

Oct 27, 2014 11:16 AM in response to Windshadow99

Please use "efi boot (also dvd icon)".

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 11:23 AM in response to Loner T

DDoing it the windows setup window is the size of a biz card so flyspeck text makes it hard to enter the code

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 11:32 AM in response to Windshadow99

IIt is now at the computer will restart several times window

for about 20 sec and now we have

tthe insulation was canciled

with a pop up that says

windows could not prepaid the computer to boot into the next phase of

iinstallation. To install windows restart the installation

should i ld I have tried to format the unalocated 599 gig from inside the installer?

Loner T

Level 9

59,513 points

Oct 27, 2014 11:34 AM in response to Windshadow99

If you successfully chose the partition and started the installation, it should split/format it into MSR 128MB and rest as MSData. Can you check diskutil list, if your OS X is back?

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 11:51 AM in response to Loner T

NNo Macintosh HD is not back I get the stop icon and that is from a normal start and option start and selecting it booting to recovery-10-10 now

wwhich worked I will send the list from there in just a min

Loner T

Level 9

59,513 points

Oct 27, 2014 11:51 AM in response to man290663

The issue is that the Disk Utility on Yosemite is broken and does not work correctly. It can be done correctly on the command-line and it is pretty straight-forward. Unless the disk controller had an issue, which is unlikely, because you could see your drives anyway, so it was not fried. A fried controller shows no drives. 😉

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 11:54 AM in response to Loner T

well thats good any way here is the after list not a pretty site is it

-bash-3.2# diskutil list

/dev/disk0

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *121.3 GB disk0

1: EFI EFI 209.7 MB disk0s1

2: Apple_CoreStorage 121.0 GB disk0s2

3: Apple_Boot Boot OS X 134.2 MB disk0s3

/dev/disk1

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *2.0 TB disk1

1: EFI EFI 209.7 MB disk1s1

2: Apple_HFS FishingBoat 2.0 TB disk1s2

/dev/disk2

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *3.0 TB disk2

1: EFI EFI 209.7 MB disk2s1

2: DE94BBA4-06D1-4D40-A16A-BFD50179D6AC 314.6 MB disk2s2

3: EFI NO NAME 104.9 MB disk2s3

4: Microsoft Reserved 134.2 MB disk2s4

5: Microsoft Basic Data 599.4 GB disk2s5

6: Apple_HFS macintoshHD 2.4 TB disk2s6

/dev/disk3

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *2.0 TB disk3

1: EFI EFI 209.7 MB disk3s1

2: Apple_HFS CatBoat 2.0 TB disk3s2

/dev/disk4

#: TYPE NAME SIZE IDENTIFIER

0: IR3_CCSA_X64FRE_EN-... *4.1 GB disk4

/dev/disk5

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *2.0 TB disk5

1: EFI EFI 209.7 MB disk5s1

2: Microsoft Basic Data Union 500.1 GB disk5s2

3: Apple_HFS Shimmo 499.6 GB disk5s3

4: Apple_Boot Recovery HD 650.0 MB disk5s4

5: Apple_HFS Orange 500.1 GB disk5s5

6: Apple_HFS Newcastle 499.4 GB disk5s6

/dev/disk6

#: TYPE NAME SIZE IDENTIFIER

0: Apple_partition_scheme *1.3 GB disk6

1: Apple_partition_map 30.7 KB disk6s1

2: Apple_HFS OS X Base System 1.3 GB disk6s2

/dev/disk7

#: TYPE NAME SIZE IDENTIFIER

0: FDisk_partition_scheme *123.6 GB disk7

1: Windows_FAT_32 CORSAIR 123.6 GB disk7s1

/dev/disk8

#: TYPE NAME SIZE IDENTIFIER

0: untitled *5.2 MB disk8

/dev/disk9

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk9

/dev/disk10

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk10

/dev/disk11

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk11

/dev/disk12

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk12

/dev/disk13

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk13

/dev/disk14

#: TYPE NAME SIZE IDENTIFIER

0: untitled *6.3 MB disk14

/dev/disk15

#: TYPE NAME SIZE IDENTIFIER

0: untitled *2.1 MB disk15

/dev/disk16

#: TYPE NAME SIZE IDENTIFIER

0: untitled *1.0 MB disk16

/dev/disk17

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk17

/dev/disk18

#: TYPE NAME SIZE IDENTIFIER

0: untitled *524.3 KB disk18

/dev/disk19

#: TYPE NAME SIZE IDENTIFIER

0: untitled *1.0 MB disk19

/dev/disk20

#: TYPE NAME SIZE IDENTIFIER

0: untitled *6.3 MB disk20

Loner T

Level 9

59,513 points

Oct 27, 2014 12:09 PM in response to Windshadow99

This is what I am interested in. If you try the EFI boot and if it asks, format the 599.5GB drive as NTFS, it should go further. Remove all external drives before you start. Is /dev/disk5 an external drive, if yes, please remove it as well.

/dev/disk2

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *3.0 TB disk2

1: EFI EFI 209.7 MB disk2s1

2: DE94BBA4-06D1-4D40-A16A-BFD50179D6AC 314.6 MB disk2s2

3: EFI NO NAME 104.9 MB disk2s3

4: Microsoft Reserved 134.2 MB disk2s4

5: Microsoft Basic Data 599.4 GB disk2s5

6: Apple_HFS macintoshHD 2.4 TB disk2s6

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 12:25 PM in response to Loner T

WWell that presents a problem as I have to use the LaCie 2 tera FireWire 800 (partitioned into 4 500GB ) as a bridge to my FireWire 400 external DVD burner hence the use of a FireWire 800 to thunderbolt aadapter to the LaCie and then to the burner one reason I chose 600 was to be sure I did not pick one of the LaCie partition when doing this

can I copy the dvd onto a usb thumb drive? I have a usb3 128GB and a usb2 16 gb on hand the 16 already has the files from the apple BC installer on it the corsar 128 is in its as sold windows format as it has not jet been used

The efi boot only asks if I want to update or do an advanced install I think it sees the files that have som old boot camp data and windows files on one of the lacie partitions but if I pick that option it tells me to run windows first and leave the efi install the other option brings up the select the disk option but it is hard to work with as it is a nonresize window the size of a biz card that shows 3 drives at a time in flyspeck type so it is slow to work with

i will give it another try though and select the 599.4 option

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 12:42 PM in response to Windshadow99

i I tried that it says

wwe couldon't create a new partition or locate an existing on. For more information se the setup log files

the only 500+GB to pick is now shown after that first attempt as drive 1 partition 5 total size 558.2 GB. Free space 558.0GB. Primary

will try to format it ok no choice as to what format is given just a warning about deleting files

right back to the we couldn't creat a new partition ....... See the setup log files

Loner T

Level 9

59,513 points

Oct 27, 2014 12:45 PM in response to Windshadow99

If you are willing to try this, format all of these chunks back into a single 600GB partition, and use BC rather than EFI boot, and when it is rebooting, hold the Alt key and choose EFI boot. See if that works better.

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 12:51 PM in response to Loner T

TThe problem there is I don't have the Macintosh HD as a useable boot but I will try what you say to try

the windows setup drive selection screen only shows three at a time the last one in the list is drive 5 unalocated space b931.1GB free 931.1 GB

WHich makes no sense

btw I am doing this support forum mostly from my iPad except when I am cutting and pasting in recovery mode

Windshadow99 Author

Level 1

34 points

Oct 27, 2014 12:57 PM in response to Windshadow99

any chance we can put things back to just working in OS X I can run into town in the morning and pick up apples thunderbolt super drive and try that with out this drive chain mashup

booting into Internet recovery now

More boot camp problems new 5k imac 3 tera fusion drive