
make sure you've selected the right volume name, then start to unmount it by typing the command: It might be different on your Mac.ģ: Apple_Boot Recovery HD 650.1 MB disk0s3Ġ: Apple_HFS Macintosh HD *249.8 GB disk1 Launch the Terminal and type the following command to list volumes. Note, you can select MS-DOS (FAT) for the Format. Connect your USB to mac computer, then perform Format or Erase for your USB drive by using Disk Utility (under Application/Utilities).

Back up your USB drive first as your USB drive will be erased completely before you start. The first way I recommend is by using dd commend-line under Utilities, which is able to make a byte-for-byte copy of ISO image and partition table, you should know dd is a command line-only interface, which is somewhat advanced and might not suitable for the low skilled mac users. Burn ISO File to USB on Mac in Virtualbox Burn Windows ISO to USB on Mac with Terminal Open VirtualBox and turn on your High Sierra, then Open "Disk Utility". $ vboxmanage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1 $ vboxmanage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" $ vboxmanage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Iloveapple" $ vboxmanage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0" $ vboxmanage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"


VBoxManage.exe setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1 VBoxManage.exe setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" VBoxManage.exe setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Iloveapple" VBoxManage.exe setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0" VBoxManage.exe setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3" Windows cd "C:\Program Files\Oracle\VirtualBox\"

Just don't forget to replace "Your Vm Name" with your virtual machine's name.
