Ah sorry, you meant bootloader not MBR. You'll probably have to reinstall grub. Have you been using this guide? http://www.ubuntugeek.com/a-much-easier-way-to-install-ubuntu-on-a-usb-device-stick-or-hd.html _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos