I had to buy a new in car charger for my navman s30,but when i plug it in to the sat nav & cigerette socket it keeps showing a computer,usb & navman picture.

my sat nav is charging when in the cigrette socket,but there's a red cross on the sat nav & my maps will not load up when it is plugged in.if i unplug the car charger from the sat nav my maps will load as long as there is enough charge in the battery. my sat nav is charging when in the cigrette socket,but there's a red cross on the sat nav & my maps will not load up when it is plugged in.if i unplug the car charger from the sat nav my maps will load as long as there is enough charge in the battery.