I know this error appears many times on the web, and the advice is to boot from a live CD/USB and re-install the grub from the terminal. This is not a solution for me since I am getting the error when booting from USB.
From the BIOS I have set the boot device priority to 'Removable Device'. Not sure if I should set USB to 1st Hard Disk.
error: no such device: 8d0615a7-b8ff-499f-88e0-99b323b9d524. grub rescue>
PC: ASUS EeePC 4G.
Trying to install Lubuntu 13.04