Gigabyte U60 and grub>_

I have a problem getting the grub menu on my Gigabyte U60 laptop, I installed BT4 on my 4 GB usb drive using the video in Offensice Security website, well I did every step there, the flash drive boots fine on any desktop/laptop.

it gives me grub>_
I've attached some screenshot maybe it might help the experts.:confused:

http://img403.imageshack.us/img403/416/img0232a.jpg

http://img23.imageshack.us/img23/5740/img0237at.jpg

http://img208.imageshack.us/img208/9982/img0240av.jpg