Q: Can't Delete Boot camp partition
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May 23, 2016 8:24 PMby Loner T,1. Backup OSX and all your files - Use Time Machine to back up or restore your Mac - Apple Support .
2. Boot into Internet Recovery (Command+Opt+R) - OS X: About OS X Recovery - Apple Support .
3. Click on Utilties -> Disk Utility and Erase your internal whole disk.
4. Restore OSX and your files - Use Time Machine to back up or restore your Mac - Apple Support .
This requires a separate external disk which can accommodate TM backup - Backup disks you can use with Time Machine - Apple Support . A new backup is to get files that may have been missed in the last backup. Please verify your non-OS files after restore before you attempt Windows installation again.
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May 24, 2016 3:41 AMby Loner T,In Internet Recovery, start Utilities -> Terminal, and run
diskutil eraseDisk disk0
Please ensure disk0 is your internal disk. Copy the command to your terminal (Command+C), press return, copy the screen, exit and quit Terminal, start Safari, and Paste (Command+V) the output as a reply.
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May 25, 2016 9:29 PMby harrisonb12,Usage: diskutil eraseDisk format name [APM[Format]|MBR[Format]|GPT[Format]]
MountPoint|DiskIdentifier|DeviceNode
Completely erase an existing whole disk. All volumes on this disk will be
destroyed. Ownership of the affected disk is required.
Format is the specific file system name you want to erase it as (HFS+, etc.).
Name is the (new) volume name (subject to file system naming restrictions),
or can be specified as %noformat% to skip initialization (newfs).
You cannot erase the boot disk.
Example: diskutil eraseDisk JHFS+ UntitledUFS disk3
