how to fix my navman f 20 sat nav?

hi , my nav man f 20 sat will turn on but only displays a white screen. all the lights on the buttons work. but nothing other than the white screen. is there something i can do to fix it ?

nav man n20 ?

navman n20 will not turn on .

navman icn750?

can anyone please help, how do you update a navman icn 750

navman?

our navman keeps turning off after start up?

My Navman F20 won't switch on?

I have been given an F20 Navman that will no longer switch on. How do I check if this is because the battery is completely dead or because the 12volt connection lead is not working & has not charged t ... more

navman s100?

my navman s100 will not turn on chargeing light is on any ideas

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how can i fix my navman f35?

my navmam will not let me reset when i switch over nothing happens

navman s50?

screen frozen with message fatal application error even after reset

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my navman s30 ?

how do i change battery in sat nav /man

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how can i fix my gevigator?

when i try to supply power it just show the sign as if i have connect to pc.my navigator is navman and it is made in new zealand and modle is n196

how can i fix sat nav navman icn520 backlight?

tried brightness adjust, reset, reload, works perfectly otherwise

how can i fix my navman N40i?

i have a navman N40i satnav system i have tryed every way in my settings 2 get my sound on but nothing.the system i have is approx.3 to 4 years old ty.

How to change battery in NAVMAN F20 GPS?

Instructions to change battery in a NAVMAN F20

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

Is there a battery inside which has depleted and won't charge with the 12V or mains? Can get it to work direct from the mains. Help please. Incidentally it's not the original 12V adapter although the ... more

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how can I fix my S30?

I have a Navman S30 (serial number BC889MO9886) which will not find a satellite. It will find its maps, accept addresses and postcodes but refuses to find a signal, giving me the message it cannot fin ... more

How can I fix my Navman F20 Sat Nav?

The F20 seems to work OK, but it will only charge the battery up on a USB socket out of my computer. When you plug in the charger supplied the battery icon comes up with a cross next to it and does no ... more

Product keys !!!!!!!!? Navman s30 3D?

Where the hell is the product key !!! I know its supposed to be a 16 digit reference, but there are that many bar codes i'm really confused and pulling out what is left of my hair

how can i unfreeze the screen on my navman S50 3D?

When i switch on my navman S50 3D,it just sticks at the start up screen,tried reset button,but that does not help.

how can i fix navman n4oi?

can i replace the speakers on this model it just stopped speaking to me can you help please

navman f20 sat nat?

when switched on it reads "cannot retreive data from memory. has anyone got any ideas please ?