lost Bootcamp partition

[KalKooless]

Mac details:
macbook pro 2016 15-inch 256 GB
macOS high sierra 10.13.4

Hi

I was trying to remove bootcamp partition from bootcamp assistant but it kept telling me that "startup disk cannot be partitioned or restored to single partition". So I tried myself removing bootcamp partition using disk utility and I ended up missing around and unmounting the partition from my mac. now the only partition that is visible in disk utility is Macintosh HD with a capacity of 100 GB.

So I want to know if it is possible to bring back the other 150 GB of bootcamp partition and restore it to a single partition with Macintosh HD.

 

[maflynn]

Did you try resizing the drive in Disk utility now that the boot camp partition is gone?

You can go nuclear on the drive, i.e., delete/recreate the partition (in recovery mode) and reinstall macOS. You'll of course want to have a full backup of your data if you opt for that solution.