User profile for user: arch275
arch275 Author
User level: Level 1
4 points

"The startup disk cannot be partitioned or restored to a single partition"

I reseted my windows on bootcamp and chose to format all the stations(yes I know, stupid), so first I lost my Mac OS, then I reinstalled it and then I lost my window os.


So I reinstalled Mac OS via CMD+R and now I want to use Bootcamp Assistant to install windows again.


but I get this message:

The startup disk cannot be partitioned or restored to a single partition.

The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows


User uploaded file



im supposed to just press the " - " right? I'm so lost


how can I reinstall bootcamp on my MacBook?

Posted on Jun 13, 2018 3:43 AM

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User profile for user: arch275
arch275 Author
User level: Level 1
4 points

Jun 13, 2018 6:21 AM in response to Loner T

diskutil eraseVolume jhfs+ BC1 disk0s3

diskutil eraseVolume jhfs+ BC2 disk0s4

diskutil mergePartitions jhfs+ BCMP disk0s3 disk0s4

diskutil list


i did this and then went to Disk Utility and just pressed the minus on the partition i wanted to remove and IT WORKED.


You're an angel! Thank you, i have an exam tomorrow where i need windows so thank you so much!

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"The startup disk cannot be partitioned or restored to a single partition"

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