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Level 1

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Bootcamp - Create new partition and format in Windows 7

Hello All

I have Windows 7 installed on my sons MacBook Pro.

The Drive is partitioned at 500GB for Windows and 300GB for Mac.

In windows, I need to shrink the Windows drive, and then create 2 extra drives from it.

However, I can shrink the drive, but when I try to Format, it tells me that it cannot find the drive, and then it changes the drive types to all "Dynamic" including the Mac Drive.

And once this happens, I can no longer access the Mac drive during Boot, and windows will not load, as it cannot find the drive during windows boot up. And which point, I have to restore the system and it takes up to 6 hours to installed Lion, as my Internet is slowing that a cold winters day.

So, my question is the following.

How can I successfully shrink the drive.

Then Partition the FREE space

Then Format to NTFS without loosing drive type and integrity?

Thanks All

carrzkiss

MacBook Pro, Windows 7

Posted on Aug 27, 2014 10:17 PM

33 replies

Loner T

Level 9

59,526 points

Sep 2, 2014 8:47 AM in response to Kurt Lang

MacPro may be a bit fussy, so you can try with just a single designated drive and attempt an EFI installation. W7 may not work, but W8.1 does. I am aware of Audio and Graphics issues with an EFI installer on older Macs.

Kurt Lang

Level 9

63,938 points

Sep 2, 2014 8:55 AM in response to Loner T

so you can try with just a single designated drive and attempt an EFI installation.

Yup, it always works as expected if I don't already have a Windows partition on the drive ahead of a Recovery partition being created. As you can see in my previous post, there is a Recovery partition on the drive I have Yosemite on (partition still named Mavericks). If I were to install Win 7 or Win 8 on that drive, then the Recovery partition can still be created since there's already a spot for it underneath Windows, but OS X won't put one above it.

Loner T

Level 9

59,526 points

Sep 2, 2014 9:19 AM in response to Kurt Lang

The Bootcamp assistant relocates Recovery HD (and you can see the movement if you use Testdisk and look for partition changes).

Please see this thread as well - Re: How to install Windows 7 on extra Internal Disk.

Bootcamp - Create new partition and format in Windows 7