pc is bios , no uefi I want to use boot_hybrid.img make boot_hybrid.iso ##################### xorriso -as mkisofs -r -J -joliet-long -l \ -isohybrid-mbr /home/cws/my-iso/boot/grub/i386-pc/boot_hybrid.img \ -b boot/grub/gcd.img \ -c boot.cat \ -no-emul-boot \ -boot-load-size 4 \ -boot-info-table \ -o boot_hybrid.iso /home/xxx/my-iso #sdb is usb dd if=~/boot_hybrid.iso of=/dev/sdb bs=2M && sync ##################### rerun to usb,only display “GRUB”，not load grub.cfg reruun to cdrom is ok can load and display grub.cfg What did i do wrong
