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Helpful answers
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Oct 2, 2015 12:12 PM in response to AppleinWilmingtonby Loner T,AppleinWilmington wrote:
Next question: how do I convert the 64GB to free space?
Run the following command.
diskutil eraseVolume free Untitled disk0s4
You may have to use Gdisk again and use '2 3 4' in Step 6, instead of 3 4 5, to get your Windows functional.
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Oct 2, 2015 1:30 PM in response to Loner Tby AppleinWilmington,Okay, I have the Unallocated 64GB disk space visible in Disk Management, but the Extend Volume option on the Bootcamp drive is greyed out--I can only shrink the partition. Do I create a new simple volume from the Unallocated space to extend it? If so, do I assign it a drive letter or path?
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Oct 2, 2015 2:31 PM in response to AppleinWilmingtonby Loner T,You will need a tool like GParted to extend the NTFS volume to include the Bootcamp volume to include the 64G.
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Oct 3, 2015 5:21 AM in response to Loner Tby GxocT,Thank you! U solved my problem. I had same issue as topic author.
I have a question.
Why do u add 3 partitions in MBR?
Partitions numbers to be hybridized: 3 4 5
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Apple_HFS Untitled 64.2 GB disk0s4
5: Microsoft Basic Data BOOTCAMP 160.0 GB disk0s5
Could I add only Partition 5 to make Windows bootable?
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Oct 3, 2015 5:54 AM in response to GxocTby Loner T,GxocT wrote:
Why do u add 3 partitions in MBR?
Partitions numbers to be hybridized: 3 4 5
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Apple_HFS Untitled 64.2 GB disk0s4
5: Microsoft Basic Data BOOTCAMP 160.0 GB disk0s5
Could I add only Partition 5 to make Windows bootable?
Yes, and you will end up with two entries in the MBR. Usually, there is a 1:1 correspondence between the two, to avoid confusion when someone is looking at the two structures. The way it is currently...
EFI = MBR1
GPT1+2+3 = MBR2
GPT4 = MBR3
GPT5 = MBR4
This allows access to GPT4 = MBR3 from both sides, but you lose access to GPT1+2+3 because there is no driver to read parts of filesystems.
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Sep 21, 2016 10:37 PM in response to Loner Tby kotyapshek,Well, i have the same problem, but the thing is that i just cant disable csrutil. I'm booting in internet recovery mode, "csrutil disable" gives "command not found", and /Volumes/Untitled/usr/bin/csrutil disable gives "operation is not permitted". Is there any other way to make BOOTCAMP partition bootable again, or maybe there's different way to disable csrutil?
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Sep 22, 2016 5:25 AM in response to kotyapshekby Loner T,kotyapshek wrote:
Well, i have the same problem, but the thing is that i just cant disable csrutil. I'm booting in internet recovery mode, "csrutil disable" gives "command not found"
This command is valid in Local Recovery only. However, you can use How to install OS X on an external drive connected to your Mac - Apple Support and install/upgrade OS X to match the version on your internal disk, and then boot from this using the Local Recovery from the external disk and run csrutil.
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Sep 22, 2016 11:14 AM in response to Loner Tby kotyapshek,Thank you a lot, i'm new to mac, so can you please help me with one more thing? I found 8GB usb flash drive, but when i erased it with the formation OSX Extended, it said that i need to partition with GUID or sth like that, but in the disk utility button "Partition" is greyed out.
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Sep 22, 2016 11:28 AM in response to AppleinWilmingtonby Loner T,You must not run this command more than once, otherwise you will lose data. Once this command is executed, disk0s4 will become Free Space, which will no longer have a disk0s4 designation.
diskutil eraseVolume free free disk0s4
