Make a macOS High Sierra boot disk! IMPORTANT NOTE REGARDING -10006 ERROR If you receive a -10006 error: check out these two posts for a fuller explanation of what is happening to cause the error. DiskMakerX are currently (30 September 2017) working on a fix according to their FAQ page at: Learn how to use DiskMaker X 7 to quickly and easily create a macOS X 10.13 High Sierra USB Boot Disk. You can use this disk as an installation disk to install macOS High Sierra or to boot to macOS High Sierra and perform maintenance tasks on your computer. DiskMaker X 7 is a free download from: macOS High Sierra is available from the Mac App Store: Want more free training? Check out: Connect with me, I love to hear from you!
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Time required: Utilities Disk Utility in Finder. In the upper left corner of Disk Utility, select View ( A) and tick the option Show All Volumes. Your sidebar should now show a parent field for your USB drive or external hard drive.
![Create Create](/uploads/1/2/5/6/125628025/594650935.jpg)
Select this parent (see screenshot). With your USB drive or external hard drive selected ( B), click Erase in the toolbar ( C). In the window that pops up, for Scheme select GUID Partition Map ( D). Name: You may give your drive a new name (this is how it will be shown in your computer later on. Format: if you need the drive to work on both Macs and PCs, select ExFAT.
Otherwise Mac OS Extended (Journaled) is your best option. Click Erase ( E) to begin reformatting. Depending on your drives size this may take a few minutes. Click Done when complete. Now your drive is ready to be partitioned, see Part 2 below. Part 2: Partition USB drive macOS High Sierra If your USB drive is formatted as GUID Partition Map, the Partition button should now no longer be greyed out. Select your drive in the sidebar ( A) and click Partition ( B).
In the window that opens, use the + and - buttons in the lower left corner ( C) to add and remove partitions. Give each partition you want to add a name ( D) and set its size in GB (Gigabytes) ( E). You can also drag the dots around the circle representing your drive to change the size of each partition. When you’re happy, click Apply ( F) and then Partition in the popup window.
![Create Create](http://cdn.osxdaily.com/wp-content/uploads/2017/09/make-macos-high-sierra-boot-install-usb-drive.jpg)
In order to Create Bootable USB for Mac on Windows 10 with DiskMaker X 6, first, you have to install macOS High Sierra or lower version of mac on VirtualBox or VMware on Windows 10. Once you installed macOS 10.13 High Sierra follows the below steps and create a Bootable USB for mac on Windows 10. Sep 29, 2017 - Put the macOS High Sierra installer on an external USB thumb drive or hard drive and use it to install the operating system on a Mac.
Your partitions will be created, this may take a few minutes. Click Done when complete. Your new partitions will be mounted on your desktop and appear as separate drives in macOS High Sierra. Were you able to partition USB drive macOS High Sierra?