dd-ing the ISO won't work for USB devices on Mac as there isn't a GPT table
present then but EFI wants GPT when booting from USB.
We have docs how to get such a working key in our wiki:
http://wiki.grml.org/doku.php?id=usb#building_an_efi_usb_key_on_a_mac
We're working on a way how to better present this information on the download
page, feedback and help is welcome. |