mac_os_bootcamp_external_drive.md

Mac OS Boot Camp External Drive

Requirements

• Windows 10 ISO
• VMware Fusion
• WinToUSB
• Boot Camp Drivers

Build

Format Drive

1. Attach your external drive to your Mac.

2. Identify disk via diskutil list.

   $ diskutil list
   /dev/disk0 (internal):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                         2.0 TB     disk0
      1:                        EFI EFI                     314.6 MB   disk0s1
      2:                 Apple_APFS Container disk1         2.0 TB     disk0s2
   
   /dev/disk1 (synthesized):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      APFS Container Scheme -                      +2.0 TB     disk1
                                    Physical Store disk0s2
      1:                APFS Volume Macintosh HD            1.2 TB     disk1s1
      2:                APFS Volume Preboot                 46.7 MB    disk1s2
      3:                APFS Volume Recovery                510.3 MB   disk1s3
      4:                APFS Volume VM                      2.1 GB     disk1s4
   
   /dev/disk2 (external, physical):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *960.2 GB   disk2
      1:                        EFI EFI                     209.7 MB   disk2s1
      2:                  Apple_HFS Boot Camp               959.9 GB   disk2s2
   

3. Delete all partitions

   $ diskutil eraseDisk FREE %noformat% /dev/disk2
   
   # Verify
   $ diskutil list
      /dev/disk0 (internal):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                         2.0 TB     disk0
      1:                        EFI EFI                     314.6 MB   disk0s1
      2:                 Apple_APFS Container disk1         2.0 TB     disk0s2
   
   /dev/disk1 (synthesized):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      APFS Container Scheme -                      +2.0 TB     disk1
                                    Physical Store disk0s2
      1:                APFS Volume Macintosh HD            1.2 TB     disk1s1
      2:                APFS Volume Preboot                 46.7 MB    disk1s2
      3:                APFS Volume Recovery                510.3 MB   disk1s3
      4:                APFS Volume VM                      2.1 GB     disk1s4
   
   /dev/disk2 (external, physical):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *960.2 GB   disk2
      1:                        EFI EFI                     209.7 MB   disk2s
   

4. Start Disk Utility from Spotlight.

5. Select your external drive.

6. Click Erase and enter the following information:

   • Name: Boot Camp
   • Format: Mac OS Extended (Journaled)
   • Scheme: GUID Partition Map