bootcamp windows installation unable to complete

Hi there, I have been trying to install windows on my MacBook pro for the entire week but without success. Details below:


MacBook Pro Retina Mid 2012

MacOS High Sierra Version 10.13.3 (started from Yosemite but still didn't work so upgraded to high sierra)

Windows 10_1709 English 64bit ISO (tried 1607 originally but didn't work as well)



Started with bootcamp, created boot USB key w/ Win 10 1709 English 64bit ISO in High Sierra, splitting my 240GB SSD into 50/50. Rebooted into Windows installation, and installing Windows 10 Pro. but getting the first error:

User uploaded file

After that, went back to disk utility and erased the bootcamp drive (2nd partition) with Mac OS Extended (Journaled).


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Went back into windows installation, got another error (forgot to take photo of that) but I selected the space in partition 4, hit delete (partition), and then I could install Windows into partition 3.


After the files are copied and a reboot, got this first blue screen error:


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It rebooted and ran into a reboot error loop, starting with this dialog box:


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Went online and saw I can do the Shift+F10 (+fn) key trick to bring up the DOS dialog screen, but my Mac would go freeze and then give me the same blue screen again.


I tried multiple times with different variations, googled and checking this discussion board with some of the methods Loner T provided, but never seemed to get to Windows 😟


Hope someone could lend a hand! 🙂 Thanks!







/dev/disk0 (internal, physical):

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *251.0 GB disk0

1: EFI EFI 209.7 MB disk0s1

2: Apple_APFS Container disk1 125.0 GB disk0s2

3: Microsoft Reserved 16.8 MB disk0s3

4: Microsoft Basic Data 125.8 GB disk0s4


/dev/disk1 (synthesized):

#: TYPE NAME SIZE IDENTIFIER

0: APFS Container Scheme - +125.0 GB disk1

Physical Store disk0s2

1: APFS Volume Mac 80.9 GB disk1s1

2: APFS Volume Preboot 41.3 MB disk1s2

3: APFS Volume Recovery 507.2 MB disk1s3

4: APFS Volume VM 1.1 GB disk1s4


/dev/disk2 (external, physical):

#: TYPE NAME SIZE IDENTIFIER

0: FDisk_partition_scheme *15.5 GB disk2

1: DOS_FAT_32 WININSTALL 15.5 GB disk2s1

MacBook Pro with Retina display, macOS High Sierra (10.13.3)

Posted on Feb 8, 2018 11:44 PM

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Question marked as Top-ranking reply

Posted on Feb 9, 2018 9:06 PM

2012 Macs do nto support EFI Boot correctly. Erasing BC/Windows partition is not recommended, as you can see the disk space is not coalesced back into the macOS side and if an EFI installation was attempted on your specific model, it leaves a Microsoft directory in the EFI partition, which should have been removed if BCA was used, instead of DU.


This should work in your case as well.


Run (only once) in Terminal


diskutil eraseVolume jhfs+ BC1 disk0s3

diskutil eraseVolume jhfs+ BC2 disk0s4

diskutil mergePartitions jhfs+ BCMP disk0s3 disk0s4

diskutil list


If you only see disk0s3, then


diskutil eraseVolume fat32 BOOTCAMP disk0s3


and now run BC Assistant and click on Restore/Remove.


Once you have cleanly removed BC/Windows, try to run a standard installation using a USB2 flash drive, Windows ISO without using any interruptions (Alt/Option key). If you still get a GPT vs MBR error, post back, and we can correct it.

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19 replies

Feb 9, 2018 9:20 AM in response to ieee1294

ieee1294 wrote:


So I used the list of terminal commands you provided and removed Bootcamp (windows) partition.

Excellent.


ieee1294 wrote:


I suppose after I remove the partition I'm not adding it back. So I used the same USB flash drive I created from bootcamp before to boot. If I don't use the option key after the Mac boot up chime, the boot sequence bypasses any boot media and boot straight to MacOS.

If you want to re-install Windows, use BC Assistant, connect your USB Installer, and choose the Install option in BCA, which should allow you to partition and install Windows again, if you so desire.

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bootcamp windows installation unable to complete

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