



The system will provide an alert to say that it has found the relevant installer file. The software should then automatically attempt to detect the installer that is located in the /Application s folder on the Mac. Select the El Capitan (10.11) option in DiskMaker X. Making The Bootable El Capitan USB Drive. I am not sure, but it should be using GUID to be recognized by my macbook pro? How to create a bootable USB from a macOS dmg file? Create a bootable USB drive for macOS X versions including El Capitan, Yosemite, Mavericks, Sierra, High Sierra, and Mojave. Note that I have a USB key with a MBR partition. I would like to know how to make a bootable USB device with that file. How to make a bootable OSX El Capitan USB? Ask Question Asked 3 years, 7 months ago.
