hi can any help with this 500s it takes a flash no prob's when you reboot afther the flash there is NO OUTPUT from the scart /vga ports, also the remote dose not respond just a stedy green light on the box, now ive put 5 images onto the box all the same no picture on the tv ( ps the scart lead is ok as is the psu) can any help me get this box working, get the picture ,