SailorAgave

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Q: Your bootable USB drive could not be created, BCA 6, OS 10.11

Hello, I'm trying to make bootable USB drive in order to instal W10. I keep getting the same error:

"Boot Camp only supports Windows 7 or later installation on this platform. Please use an ISO file for Windows 7 or later installation."

I'm running OS 10.11 fully updated, BCA 6. The W10 is x64. The USB drive is 64GB.

My MacBook Pro is a Retina, Mid 2012 and all the specs are fall into the recommended.

What could be happening?

MacBook Pro with Retina display, OS X El Capitan (10.11), Mid. 2012

Posted on Oct 12, 2015 7:32 PM

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Q: Your bootable USB drive could not be created, BCA 6, OS 10.11

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by Loner T,

Loner T Oct 12, 2015 7:44 PM in response to SailorAgave
Level 7 (24,738 points)

Safari

Oct 12, 2015 7:44 PM in response to SailorAgave

Disconnect all external storage except the USB intended for the USB Installer and try again. It will be erased and formatted. You can also erase it yourself and format it as MSDOS-FAT.
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by SailorAgave,

SailorAgave Oct 12, 2015 7:48 PM in response to Loner T
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Oct 12, 2015 7:48 PM in response to Loner T

I just tried this and nothing. I did format the USB to MSDOS-FAT prior too.
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by Loner T,

Loner T Oct 12, 2015 7:50 PM in response to SailorAgave
Level 7 (24,738 points)

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Oct 12, 2015 7:50 PM in response to SailorAgave

Is it a USB3 flash drive?
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by SailorAgave,

SailorAgave Oct 12, 2015 7:55 PM in response to Loner T
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Oct 12, 2015 7:55 PM in response to Loner T

The Lexar I was trying is USB3 flash drive. Given that, I just tried with a USB2 drive and I still get the same error.
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by Loner T,

Loner T Oct 12, 2015 8:06 PM in response to SailorAgave
Level 7 (24,738 points)

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Oct 12, 2015 8:06 PM in response to SailorAgave

1. Please run the following two steps
Resetting the System Management Controller (SMC) on your Mac - Apple Support
How to Reset NVRAM on your Mac - Apple Support
2. Disconnect USB hubs, if you have any. The USB should be directly attached to the Mac.
3. Please check Applications -> Utilities -> Console logs for any Bootcamp error messages .
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by SailorAgave,

SailorAgave Oct 12, 2015 8:28 PM in response to Loner T
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Oct 12, 2015 8:28 PM in response to Loner T

I'm back. Nothing changed.
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by Loner T,

Loner T Oct 12, 2015 8:54 PM in response to SailorAgave
Level 7 (24,738 points)

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Oct 12, 2015 8:54 PM in response to SailorAgave

1. Any error messages in the Console logs?
2. What is the brand of the USB2 flash drive? Generic brands cause problems.
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by SailorAgave,

SailorAgave Oct 12, 2015 8:59 PM in response to Loner T
Level 1 (0 points)

Oct 12, 2015 8:59 PM in response to Loner T

- Sandisk Cruzer Blade

- No errors on console
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by Loner T,

Loner T Oct 12, 2015 9:05 PM in response to SailorAgave
Level 7 (24,738 points)

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Oct 12, 2015 9:05 PM in response to SailorAgave

Do you have ISO of W7/W8+ that you can use as a test to build the USB Installer? If you do not, you can download one from Microsoft Software Downloads for test.
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by SailorAgave,

SailorAgave Oct 12, 2015 9:46 PM in response to Loner T
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Oct 12, 2015 9:46 PM in response to Loner T

Windows 7 works. Now, I'm not quite sure if I should proceed and update to W10 once install or what. It doesn't like it's going to work.

Ok, cancelled the bootable USB for W7. Went back and tried W10 and it worked. It goes ahead and formats. After that it just tells me "There is not enough space available on the disk." no matter what is the size of the USB drive.
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by Loner T,

Loner T Oct 13, 2015 4:29 AM in response to SailorAgave
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Oct 13, 2015 4:29 AM in response to SailorAgave

SailorAgave wrote:

Ok, cancelled the bootable USB for W7. Went back and tried W10 and it worked. It goes ahead and formats. After that it just tells me "There is not enough space available on the disk." no matter what is the size of the USB drive.

Is this happening during the BC Assistant phase or is this reported by the Windows Installer? With the USB connected, can you post the the output of following OS X Terminal commands

diskutil list
diskutil info diskN (N should point to your USB).
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by SailorAgave,

SailorAgave Oct 13, 2015 9:35 AM in response to Loner T
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Oct 13, 2015 9:35 AM in response to Loner T
The situation now is as follows:

BCA (still) won't allow me to do a bootable usb because "Boot Camp only supports Windows 7 or later installation on this platform. Please use an ISO file for Windows 7 or later installation.".
I proceed to point to a W7 ISO and make a bootable device. When it's done BCA requests me to download W7 support for BCA from http://www.apple.com/support/bootcamp/ saying BC no longer downloads support files for W7
At this point, if I start BCA again and try to make a bootable from the W10 iso, it will let me. BCA formats the unit... and then returns an error of not enough available space on the USB (I tried a 64gb (USB3) and a 250gb external drive).

If I close BCA and start all over it won't let me use the W10 again, saying: "Boot Camp only supports Windows 7 or later installation on this platform. Please use an ISO file for Windows 7 or later installation.".
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by Loner T,

Loner T Oct 13, 2015 10:28 AM in response to SailorAgave
Level 7 (24,738 points)

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Oct 13, 2015 10:28 AM in response to SailorAgave

1. You can get W7 drivers from Install Windows 7 and earlier on your Mac using Boot Camp - Apple Support .
2. Your USB is formatted as FAT32. Each individual file cannot be greater than 4GB. On your ISO, the install.wim file is usually larger than 4GB. Can you check?
3. This is a software failure. You should report as a bug report. I have already done it once and provided enough documentation to Apple Engineers.
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by SailorAgave,

SailorAgave Oct 13, 2015 10:58 AM in response to Loner T
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Oct 13, 2015 10:58 AM in response to Loner T

Thank you.
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