boot camp says my 32GB USB drive doesnt have enough space for windows 10

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boot camp says my 32GB USB drive doesnt have enough space for windows 10

Howdy

Have a late 2012 iMac running 10.13.3 with 500GB available memory on 1TB drive.

Bought a copy of Windows 10 from MS, and in trying to load the Windows 10 ISO in Boot camp to a blank 32GB USB drive it comes back with message that there is insufficient space on the USB drive for the program, It is clearly stated in many places that it should only require 16 GB or so.

Am I missing something?

mb

iMac (21.5-inch, Late 2012)

2.7 GHz Intel Core i5

8GB 1600 1600 MHz DDR3

iMac, macOS High Sierra (10.13.3)

Posted on Feb 12, 2018 5:24 AM

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Answer 1

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Loner T

Level 9

59,513 points

Feb 12, 2018 9:26 AM in response to mark bieri

You do not need to download the ISO to the USB. Download the ISO from Microsoft's Software Download page and leave it unmounted on your Desktop or Documents folder (but not Downloads), and run BC Assistant. Use BC Assistant and use Create/Download options to create an installer and use the Install option to install Windows.

If your USB is a USB3 flash drive, you will run into issues. The error is because there is at least one file greater than 4GB which will not fit a FAT-formatted USB file system.

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Answer 2

mark bieri Author

Level 1

16 points

Feb 12, 2018 9:21 AM in response to Loner T

Hey Loner T, thanks.

In Boot Camp, what I was working on was getting the program onto my iMac. It seem like I have to first make a bootable USB drive to work with. I was using a 3.0 flash drive. The ISO, which on my desktop as you recommend, shows up automatically in Boot Camp to move ahead in moving ahead to get it on onto my USB drive. I do have a 1TB Seagate drive. Would that work better? Should I get a 2.0 USB flash drive?

It seems like this whole process should be a lot easier....can you recommend perhaps a YouTube video or other reference guide for this?

I really do appreciate your input.

mb

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Answer 3

mark bieri Author

Level 1

16 points

Feb 14, 2018 6:01 AM in response to Loner T

Ok, thanks Loner T:

The 2.0 USB seemed to allow the whole Windows 10 installation into a partition in the iMac.

I do now also have a bootable flash drive with W10 on it.

I wonder who named the program "Boot Camp Assistant"?

mb

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Answer 4

Loner T

Level 9

59,513 points

Feb 14, 2018 11:12 AM in response to mark bieri

mark bieri wrote:

The 2.0 USB seemed to allow the whole Windows 10 installation into a partition in the iMac.

I do now also have a bootable flash drive with W10 on it.

Excellent. Please remember to backup macOS, Windows and create a Windows System Restore point.

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Answer 5

Loner T

Level 9

59,513 points

Feb 12, 2018 12:49 PM in response to mark bieri

Use a USB2 Flash drive. I do not recommend the Seagate, because it can cause new issues during Windows installation.

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Answer 6

Loner T

Level 9

59,513 points

Feb 12, 2018 10:53 AM in response to mark bieri

You will need a Windows PC to use How to Install Windows 7 with only USB 3.0 Ports to add USB3 support to a Windows Installer. I have tested this method on W7/W8.1/W10 and it works.

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Answer 7

mark bieri Author

Level 1

16 points

Feb 12, 2018 12:01 PM in response to Loner T

Hey Loner T.

Thanks, but, yeah, well, I don't have that, that is why I am installing it...

Use a USB 2.0? Use the Seagate 1TB drive I have?

thanks

mb

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boot camp says my 32GB USB drive doesnt have enough space for windows 10

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