How to mend Navman F20 Charger

The green light on the plug doesnt light up when i plug in my Navman F20?

Navman S100 Software problem?

Navman 450 problem?

How to change battery?

Navman s100 frozen at start up screen?

reset button?

Navman S80 won't charge in car?

Replace the battery on Navman S50?

Navman repairs?

navman won't power on ?

My navman 250 screen is cracked. Can u repair it?

navman goes in to down load mode when plugged in to car charger?

How to navigate without buying maps?

my navman s30 ?

how do i open?

navman s100?

no power to sat nav?

My Navman iCN 610 won't work with the 12v adaptor but will with the mains?

how do I replace the battery on my navmanf20 ?

Navman F20?

replace glass screen?

navman s50?

how can i fix my navman 685?

Cant charge navman?

how do you open up a navman s200?

navman screen?

how can i fix navman charger point ?

navman has stopped showing maps ?

My Navman S30 3D is locked on the first screen with the lady hanging out th?

how do I open the case on my navman F20?