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All replies
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Helpful answers
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Jun 24, 2015 6:00 AM in response to Den4oby Loner T,1. If you are using your own suggestion of Free Space and an EFI Boot on this Mac, it will not work. Your Mac is a preUEFI Mac and does not expose hardware correctly via the EFI layer to Windows.
2. You need to use BC Assistant and install Windows using legacy BIOS mode for all hardware to work properly.
3. From System requirements to install Windows on your Mac using Boot Camp - Apple Support,
iMac
Mac model Windows 8
64-bitWindows 7
64-bitWindows 7
32-bitWindows Vista
64-bitWindows Vista
32-bitWindows XP
32-bitiMac (21.5-inch, Late 2011) 5 5 4 - - - iMac (27-inch, Mid 2011) 5 5 4 - - - iMac (21.5-inch, Mid 2011) 5 5 4 - - - You either need Boot Camp Support Software 5.1.5621 for 64-bit Windows or Boot Camp Support Software 4.0.4033 for 32-bit Windows.
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Jun 24, 2015 7:16 AM in response to Loner Tby Den4o,OK, so tell me what to do, when I made bootcamp partition, when i install W8.1 I have this trouble:
"Windows cannot be installed on this disk (some words about EFI). The selected disk is of the GPT style."
diskpart - can't mame GPT partition, how to solve this?
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Jun 24, 2015 8:09 AM in response to Den4oby Loner T,Can you post the output of the following Terminal commands?
diskutil list
diskutil cs list
sudo gpt -vv -r show /dev/disk0
sudo fdisk /dev/disk0
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.
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Jun 24, 2015 2:53 PM in response to Loner Tby Den4o,Sure!
Macintosh-D:~ D$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Macintosh 721.3 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Microsoft Basic Data BOOTCAMP 278.0 GB disk0s4
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *15.7 GB disk1
1: DOS_FAT_32 WININSTALL 15.7 GB disk1s1
Macintosh-D:~ D$ diskutil cs list
No CoreStorage logical volume groups found
Macintosh-D:~ D$ sudo gpt -vv -r show /dev/disk0
gpt show: /dev/disk0: mediasize=1000204886016; sectorsize=512; blocks=1953525168
gpt show: /dev/disk0: Suspicious MBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: Sec GPT at sector 1953525167
start size index contents
0 1 MBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 1408877184 2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
1409286824 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
1410556360 1592
1410557952 542965760 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
1953523712 1423
1953525135 32 Sec GPT table
1953525167 1 Sec GPT header
Macintosh-D:~ D$ 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 - 409639] <Unknown ID>
2: AF 1023 254 63 - 1023 254 63 [ 409640 - 1408877184] HFS+
3: AB 1023 254 63 - 1023 254 63 [1409286824 - 1269536] Darwin Boot
4: 0B 1023 254 63 - 1023 254 63 [1410557952 - 542965760] Win95 FAT-32
Can you write terminal commands, so i can convert to GPT? Thank you!
P.S. I erase W8 disk and make again from BC!
P.P.S Convert to GPT i tried from the Windows Terminal (When installing w8)
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Jun 24, 2015 3:29 PM in response to Den4oby Den4o,P.P.P.S. THIS DOESN'T WORK:
- The BOOTCAMP partition should be at the bottom. Select this partition by clicking on it. Ensure it is the highlighted partition then press minus to remove it (in Disk Utility)
- Click apply on the bottom right to make the changes.
- Now press plus to add a new partition which will likely be names Macintosh HD2
- Select this new partition then you can define the settings on the right.
- Rename this to BOOTCAMP.
- Change the type to ExFAT.
- Now click apply on the again to make the changes.
"Windows cannot be installed on this disk. The selected disk has an MBR partition table. On EFI systems, Windows can only installed on GPT disks."
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Jun 24, 2015 3:40 PM in response to Den4oby Loner T,1. You should not use EFI Boot on your iMac. This is the root cause of you problems.
2. On an iMac prior to Late 2013, the only method of bootcamp is using a BIOS installation, which requires a Hybrid MBR. Your GPT and Fdisk output are correctly setup by BCA to allow such an installation.
3. Macs prior to Late2013 models are not UEFI-compliant. As you get closer to 2013 models, they are closer to UEFI, but not fully compliant.
4. Diskutil list and Fdisk both show Bootcamp as the last entry.
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Jun 24, 2015 3:57 PM in response to Loner Tby Den4o,So? What i need to do?
1. You try to say me, that i can't install windows from USB at iMac mid 11 or not?
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Jun 24, 2015 4:03 PM in response to Den4oby Loner T,Does your USB have a Windows and an EFI boot both? How was this USB created?
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Jun 24, 2015 4:25 PM in response to Loner Tby Den4o,My USB names EFIboot (i don't know what it has) made by BC (with changed info.plist for made usb at iMac mid 11)
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Jun 24, 2015 6:06 PM in response to Den4oby Loner T,1. Is your iMac internal Optical drive fully functional?
2. If you modified BC Info.plist, your iMac does not really support booting from USB, but you are forcing it to boot from USB.
3. You will need to use your built-in Optical drive to install Windows. An external optical drive will give you black screen.
4. If your iMac ha an AMD GPU, you may also want to look at Boot Camp: iMac displays a black screen during installation of Windows 7 - Apple Support .
