Forum Discussion
How to Create El Capitan Bootable USB from Windows PC with DMG File?
I just formatted internal disk of Mac Mini Mid 2011 running Mac OS X El Capitan (10.11.6). I thought reinstalling El Capitan via the official Internet Recovery approach but it did not work in my case...
The most important step is to find a working dmg file in order to create El Capitan bootable USB from Windows PC or Mac. After that, burn the dmg file to USB to make the disk as a bootable install media.
Quick tutorial: https://www.windowshowto.com/convecreate-macos-bootable-usb-on-any-computer