You'll be presented with a list of bootable drives. You may now restart your Mac and hold down the Option key after hearing the boot sound. You will be asked to enter your Administrative account password.Īfter about 30 minutes the creation of your USB Install Key for OS X El Capitan will be complete. Sudo '/Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia' -volume '/Volumes/El Capitan' -applicationpath '/Applications/Install OS X El Capitan.app' -nointeraction Additionally, make sure you do not have any other volumes named 'El Capitan' except for the one we just created in Step Five.Įxecute the following command in the Terminal window to create your OS X El Capitan Install key. Make sure your empty USB key is still inserted. Launch Terminal from the Applications:Utilities folder. In the scan results, select the file (s) to preview and click the 'Recover' button to have them back. When asked to confirm click the Partition button. EaseUS Data Recovery Wizard for Mac will immediately scan your selected disk volume and display the scanning results. Next click the Apply button to save your changes. Set the Partition Layout to 1 Partition, set the Name to 'El Capitan', and set the Format to Mac OS Extended (Journaled).Ĭlick the Options button then choose GUID Partition Table from the popup window then click the OK button. Select your USB thumb drive from the list on the left and click the Partition tab. Launch Disk Utility from the Applications:Utilities folder. The information here covers creating emergency bootup USB drives for macOS Catalina, macOS Mojave, macOS High Sierra, and OS X El Capitan.

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