Had the same problem with various PC and Notebooks such as: ASUS M2400N and ASUS P50IJ. I also found a solution which worked fine for me:
sudo dd if=/dev/sdX1 of=~/usb-stick.img bs=10M sudo dd of=/dev/sdX if=~/usb-stick.img bs=10M sudo rm ~/usb-stick.img found here: http://wiki.ubuntuusers.de/Live-USB?highlight=startmedien -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/458482 Title: usb drives imaged with usb-creator fail to boot on some systems To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/458482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs