From within the grub prompt you can type in that lot manually and boot that way. Or you can boot the install DVD in 'rescue' mode and have it mount your system under /mnt/sysimage and the... [by TrevorH]
So, here's what's going on: After a fresh install of kubuntu (tried 14.04, 14.10, and 15.04 multiple times from disks, usb sticks, you name it), the system won't boot. I get a grub rescue prompt instead.
Now, this isn't an uncommon problem and I've already tried boot-repair, reinstalling grub from a live-cd and even doing the whole complicated chroot thing to set it up.