Click on the Apply button and click on the Done button when it is activated.īootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierraįirst, review this introductory article: Create a bootable installer for macOS.Set the Format type to Mac OS Extended (Journaled.) In the drop down panel set the partition scheme to GUID.Click on the Erase tab in the Disk Utility toolbar.After Disk Utility loads select the drive (out-dented entry with the mfgr.'s ID and size) from the side list.Open Disk Utility in the Utilities' folder.A Mac cannot be started from an ExFat formatted disk.ĭrive Partition and Format - El Capitan or Later
