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Posted by Jack on December 6, 2009, 6:13 pm


I have a Garmin Nuvi 255WT. I turned off the GPS and connected it to
my PC with a USB cable. The screen is dark and says: "Charging
battery. Slide the power key to turn on". But 24 hours has past. It is
still the same message.

Thanks.

Posted by Ashton Crusher on December 6, 2009, 7:01 pm


wrote:

>I have a Garmin Nuvi 255WT. I turned off the GPS and connected it to
>my PC with a USB cable. The screen is dark and says: "Charging
>battery. Slide the power key to turn on". But 24 hours has past. It is
>still the same message.
>Thanks.


Was teh computer on?? The manual for my 200W says it takes about 4
hours to charge up.

Posted by ps56k on December 6, 2009, 9:16 pm



>I have a Garmin Nuvi 255WT. I turned off the GPS and connected it to
> my PC with a USB cable. The screen is dark and says: "Charging
> battery. Slide the power key to turn on". But 24 hours has past. It is
> still the same message.
> Thanks.

HUH ? - with the USB cable connected, it usually powers up in "computer
mode"
with the screen showing a computer image....

Your description is normally what I see with the Garmin 12v DC special car
charger ?



Posted by keith on December 7, 2009, 7:21 am


On Sun, 06 Dec 2009 20:16:26 -0600, ps56k wrote:

> news:8d89bfd2-fff1-4f4c-8368-
c6c3ed90c65d@u25g2000prh.googlegroups.com...
>>I have a Garmin Nuvi 255WT. I turned off the GPS and connected it to
>> my PC with a USB cable. The screen is dark and says: "Charging battery.
>> Slide the power key to turn on". But 24 hours has past. It is still the
>> same message.
>> Thanks.
>
> HUH ? - with the USB cable connected, it usually powers up in "computer
> mode"
> with the screen showing a computer image....
>
> Your description is normally what I see with the Garmin 12v DC special
> car charger ?

Are you using the 'right' USB cable? The garmin one had a resistor
connected between the live and one of the earth lines (which I assume is
disconnected at the computer end) and the device won't switch to the
correct mode without this signal voltage.

Keith

Posted by Jack on December 7, 2009, 1:59 pm


> On Sun, 06 Dec 2009 20:16:26 -0600, ps56k wrote:
> > news:8d89bfd2-fff1-4f4c-8368-
> c6c3ed90c...@u25g2000prh.googlegroups.com...
> >>I have a Garmin Nuvi 255WT. I turned off the GPS and connected it to
> >> my PC with a USB cable. The screen is dark and says: "Charging battery=
.
> >> Slide the power key to turn on". But 24 hours has past. It is still th=
e
> >> same message.
> >> Thanks.
> > HUH ? - with the USB cable connected, it usually powers up in "computer
> > mode"
> > with the screen showing a computer image....
> > Your description is normally what I see with the Garmin 12v DC special
> > car charger ?
> Are you using the 'right' USB cable? =A0The garmin one had a resistor
> connected between the live and one of the earth lines (which I assume is
> disconnected at the computer end) and the device won't switch to the
> correct mode without this signal voltage.
> Keith

I am using a USB cable for digital camera. My notebook PC is always on
except that it may be in standby node sometime. But even at standby
mode, the GPS still shows that the battery is being charged.
After the battery is full, will it show a message like: "Battery is
fully charged"?

Thanks.

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