This issue can be fixed by copying the whole 'EFI' folder of http://cdimage.ubuntu.com/daily-live/current/wily-desktop-amd64.iso into the USB storage made by http://archive.ubuntu.com/ubuntu/dists/wily/main /installer-amd64/current/images/netboot/mini.iso.
** Summary changed: - mini.iso's UEFI boot partition is empty + netboot mini.iso doesn't support UEFI BIOS mode installation. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1429030 Title: netboot mini.iso doesn't support UEFI BIOS mode installation. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1429030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs