substitute the x-loader/u-boot files present on mmcblk0p1 with these one:
http://people.canonical.com/~ppisati/natty_bootloaders/
does it help?
substitute the x-loader/u-boot files present on mmcblk0p1 with these one:
http:// people. canonical. com/~ppisati/ natty_bootloade rs/
does it help?