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Level 1

28 points

Bootcamp Partition Size Issue

I am attempting to install Windows 10 64bit (also tried Windows 7 Pro 64) via Bootcamp on a 2010 Mac mini running high sierra. When I get to the screen where I would select partition size it only gives me 2 options, -8gb or 36gb. I cannot move the slider and I know its not due to the size of the hard drive as I have a 512gb hdd and clean install High Sierra. Not sure if it matters but the hard drive is HFS+ and not the new AFPS which I am assuming is a hardware limitation.

Mac mini, macOS High Sierra (10.13), 2010

Posted on Oct 5, 2017 12:38 PM

50 replies

Loner T

Level 9

59,477 points

Dec 24, 2017 11:03 AM in response to iixtitanium

MSDOS-FAT. Since you have a 2012 Mini, you will also need a hybrid MR to overlay the GPT so Windows will be correctly installed using BIOS mode.

Dec 24, 2017 11:26 AM in response to Loner T

how does your solution work ?
MSDOS-FAT. Since you have a 2012 Mini, you will also need a hybrid MR to overlay the GPT so Windows will be correctly installed using BIOS mode.

Loner T

Level 9

59,477 points

Dec 24, 2017 11:28 AM in response to iixtitanium

Can you post the output of

diskutil list

with the FAT partition in place? It is faster to explain given the layout.

Dec 24, 2017 11:39 AM in response to Loner T

how to do that

Dec 25, 2017 8:51 AM in response to Loner T

I already post the output of ( diskutil list ) check it up ^.

Loner T

Level 9

59,477 points

Dec 25, 2017 9:13 AM in response to iixtitanium

iixtitanium wrote:

I already post the output of ( diskutil list ) check it up ^.

Good.

Are you comfortable building the MBR using the link I posted?

Dec 26, 2017 10:52 AM in response to Taysh83

The same issue. Have spent hours to google this problem and find a solution. Will wait for an official fix.

Loner T

Level 9

59,477 points

Dec 27, 2017 5:38 AM in response to alexeyka_1999

A USB Installer does not work correctly on 2010 Mac. The GPT vs MBR error is expected, because BC Assistant creates the MBR to support legacy BIOS installation of Windows on 2012 or older Macs.