Howdy,
I have a fairly nice iMac 27" circa 2014 with a 1 TB fusion drive. While doing a standard Boot Camp install (via USB drive, I had already partitioned the drive 512 GB Mac, 512 GB Windows), it froze up during install. It eventually restarted, but when it did, it told me I couldn't install Windows on that partition anymore. I figured I would just nuke it and try running Boot Camp again, however, Boot Camp gave me the error: "The startup disk cannot be partitioned or restored to a single partition."
Naturally I figured I would restart in recovery mode, nuke the partition from orbit, and then extend the OS partition back to the full size, and attempt Boot Camp install after that. Unfortunately, I am unable to interact with that partition at all. I can't extend it, I can't delete it, nothing.
I remember having this issue before, a few years back, but for the life of me I cannot figure out how to fix this. One thing I am more than willing to try is to just nuke the drive and reinstall. However, I am concerned that I will still be in the same situation if I nuke my Mac HD partition, as I don't see how nuking one partition would allow me access to nuke the failed Windows partition. Any assistance would be great.
Thanks,
-derTorbs