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All replies
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Helpful answers
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Jun 28, 2016 7:12 AM in response to Loner Tby Ilmc57,No, I couldn't even boot into Windows let alone get into command prompt
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Jun 28, 2016 7:27 AM in response to Ilmc57by Loner T,Can you use BC Assistant a build a new Installer and boot from it to Repair?
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Jun 28, 2016 1:41 PM in response to Loner Tby Ilmc57,I can't boot into Windows... How can I get into CommandPrompt?
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Jun 28, 2016 1:57 PM in response to Ilmc57by Loner T,If you are booting from the USB installer, try F8, Fn+F8 or Shift+F8.
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Jun 28, 2016 3:18 PM in response to Loner Tby Ilmc57,But isn't that a whole different thing? I'm not booting from a USB drive, this is the Windows that I use
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Jun 28, 2016 4:16 PM in response to Ilmc57by Loner T,If your Mac is 2012-2014, BC Assistant will let you create a USB Installer, which can be used to boot from and then repair the internal disk installation. This is useful if there is corruption of NTFS where utilities may not start properly or chkdsk reports issues or diskpart is needed to activate volume or clear the read-only attribute.
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Jun 28, 2016 7:36 PM in response to Loner Tby Ilmc57,OK, so I just create a whole new partition (which was the problem in the first place) to get a new Windows OS for the USB drive?
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Jun 28, 2016 7:54 PM in response to Ilmc57by Loner T,No. Please do not. If you run BC Assistant, do you see any check boxes? What year/model is your Mac?
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Jun 29, 2016 7:11 PM in response to Ilmc57by Ilmc57,You know what, I think I'll just reset the Windows, and start fresh.
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Jun 29, 2016 7:15 PM in response to Ilmc57by Loner T,If you can afford to do that, it is a much simpler solution.
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Jul 13, 2016 11:13 AM in response to Loner Tby JunCorp,Hi Loner T, I'm on the same problem, I can not start Windows 10 on my MacBook Air.
In short, reduced the Macintosh partition 90GB to 80GB HD and unable to allocate space 10GB free at (BootCamp) Windows, I returned to assign the Macintosh HD 90GB running again
I try to follow your footsteps, but no where to create the MBR and partition to assign
I'm too worried because I have some software licenses on the Windows partition and do not want to lose.
I'll thank me much help.
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Last login: Wed Jul 13 10:50:25 on ttys000
MacBook-Air-de-Junior:~ Sandoval$ sudo gdisk /dev/disk0
Password:
GPT fdisk (gdisk) version 1.0.1
Warning: Devices opened with shared lock will not have their
partition table automatically reloaded!
Partition table scan:
MBR: hybrid
BSD: not present
APM: not present
GPT: present
Found valid GPT with hybrid MBR; using GPT.
Command (? for help):
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Disk /dev/disk0: 236978176 sectors, 113.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 9E9E17DD-EC38-47B2-B5CD-830A29599B17
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 236978142
Partitions will be aligned on 8-sector boundaries
Total free space is 2021 sectors (1010.5 KiB)
Number Start (sector) End (sector) Size Code Name
1 40 409639 200.0 MiB EF00 EFI System Partition
2 409640 173011167 82.3 GiB AF05 Macintosh HD
3 173011168 174280703 619.9 MiB AB00 Recovery HD
4 174280704 236976127 29.9 GiB 0700 BOOTCAMP
Command (? for help):
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Jul 13, 2016 11:29 AM in response to JunCorpby Loner T,Can you start a new discussion in Boot Camp with details?
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Jul 22, 2016 7:37 AM in response to Loner Tby adenlove07,Hi i did everything you showed... but in the end after booting my Windows...
it says "Non-system disk, press any key to reboot"
please i badly need help
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Jul 22, 2016 7:56 AM in response to adenlove07by Loner T,Can you start a new discussion and post the output of
diskutil list
diskutil cs list
sudo gpt -vv -r show /dev/disk0
sudo fdisk /dev/disk0