iMac 2015 Unable to Boot Camp and Windows Installer

I've been back and forth with a Service guy to customers by phone, but thought I'd throw so the question in the case to see if there were others who have experienced similar problems and might be able to help.

I have an iMac, retina 5K, 27 - in, end of 2014. It allows to launch the Boot Camp with Windows 8.1, which I put in place about 1 year ago. It worked very well. But then, I decided to try to upgrade to Windows 10 about 3 weeks, which is not well. Decided to erase the partition via the wizard Boot Camp and re - install from scratch.

Now, I can not install Windows at all. I've tried everything. Using another ISO downloaded from the Windows website. Check disks using first aid. Last night I even totally erased the readers (via the terminal in recovery mode, with the help of the man of CS) and made a "Reinstall internet" of the operating system and then tried in boot camp. Without success.

I tried to call Microsoft too, but their position on the whole thing is "this is on a Mac, this is the problem to Apple. Bye. »

Appearances, Assistant Boot Camp is successfully created a partition. The system resets the Windows installation each time and I spend the flow rate of the installation until I get to the section "where you want to install Windows? I select my Bootcamp partition, format and then click Next. That's when I get the error message "we could not create a new partition or locate an existing one. For more information, see the Setup logs files. »

If I quit the installer and restart on the side OSX, I see that the new partitions is to Windows NTFS, so it seems ok. I am completely puzzled and frustrated as * at this stage.

Any thoughts? Ideas? Help? Please?

Data sheet:

iMac (retina 5K, 27 inches, end of 2014)

4 GHz of Intel Core i7 processor

16GB 1600 MHz DDR3 memory

AMD Radeon R9M295X graphics 4096 MB

What are the external devices connected to the iMac during the installation of Windows?

See also Boot Camp: "we could not create a new partition or locate one" alert during the installation of Windows 8 - Apple Support .

Tags: Windows Software

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