Wait for the return of the Terminal prompt signifying the process has completed. You will be asked for your admin password. Sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install OS X Mavericks.app Sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install OS X Yosemite.app Sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install OS X El Capitan.app Sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install macOS Sierra.app Sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install macOS High Sierra.app Paste that entire command line from below at the Terminal's prompt: Choose the appropriate command line (in red) depending upon what OS X installer you want. Open the Terminal in the Utilities' folder. Click on the Apply button and wait for the Done button to activate.
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 mfg.'s ID and size) from the side list.Open Disk Utility in the Utilities' folder.You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window.
Second, see this How To outline for creating a bootable El Capitan installer.
These instructions will also work for.īootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierraįirst, review this introductory article: Create a bootable installer for macOS. The El Capitan installer is downloaded to the /Applications folder, with the file name Install OS X El Capitan. Are you trying to make a bootable installer? Do you have the El Capitan installer downloaded from the App Store? You cannot make a bootable DVD but you can make a bootable flash drive.