can anyone help ,i was using my dad's tomtom, turned it off (was working when turned off) then when i came to use it again the green light on the top came on but not the screen, so i thought i would put it on charge (think i left it on too long) as now the green light won't even come on ,would be greatful if anyone can help or know where i can get it fixed cheap before dad wants to use it again,thanks .