"dd: error reading ‘/dev/sdb4’: Input/output error" So, this is not a file system issue. I would first check the device can be read at all : sudo dd if=/dev/sdb of=bootsector count=1 If this is successful, the partitioning of your device is probably not compatible with Ubuntu, and I would suggest repartitioning by Gparted or similar.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1349533 Title: unable to mount large ntfs usb drive To manage notifications about this bug go to: https://bugs.launchpad.net/ntfs-3g/+bug/1349533/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
