can't see anything on my lcd(S70) in tiny4412 when use ubuntu

hi
i just got a tiny4412 board with a lcd 7" and install an ubuntu
image(ubuntu_sd_nanopc_t1) on it. as it is obvious from boot process it's
output set for HDMI but i want to see ubuntu environment on lcd.
how can do that?
any suggestion would be pleased me friends,
mohsen

Hi Mohsen,

Have configured this issue, I am still having this problem. 
Thanks