(loop)/casper/vmlinuz boot=casper quiet splash noeject \ file=/cdrom/preseed/ubuntu.seed \ iso-scan/filename=/ubuntu-16.04.1-desktop-i386.iso -- initrd (loop)/casper/initrd.lz } menuentry "ubuntu-16.04.1-desktop-amd64" { loopback loop /ubuntu-16.04.1-desktop-amd64.iso linux (loop)/casper/vmlinuz.efi boot=casper quiet splash noeject \ file=/cdrom/preseed/ubuntu.seed \ iso-scan/filename=/ubuntu-16.04.1-desktop-amd64.iso -- initrd (loop)/casper/initrd.lz } by ABE Hiroki aka hATrayflood