New answers tagged bootable-disk
There's much easier and modern option - use createinstallmedia command in Terminal. Full guide for Yosemite.
Use one of your other Macs to download the OS installer from the App Store for free. Once it's fully downloaded connect the external hard disk you wish to install the OS (a format might be required) on and run the installer. At some point the installer will ask you to choose a disk, by default the disk you are currently booted on is selected but you can ...
The solution was to plug it into a different USB port. That made it detectable and I could proceed. I set it up with Boot Camp (including the partition), and it reset into the windows setup
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