Question about Garmin StreetPilot c340 GPS Receiver

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Wont turn on in car - works when plugged into usb on pc...

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Re: Wont turn on in car - works when plugged into usb on...

Take the top face out and you will see the reset button underneath. Press it and will solve your problem.

Posted on Sep 10, 2007

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Garmin255w wont turn on

It could be that your batter has no charge. If you have plugged it into your car charger and it still does not turn on then try plugging it into you computer with a USB cable. If it turns on then replace your car charger. If it still does not work then your GPS either has a bad connection or something is wrong internally

Oct 24, 2010 | Garmin nuvi 255W GPS Receiver

3 Answers

Won't turn on.

if you still have an issue with this, ill be glad to help you..just reply to this post ..(see my feedback)


if the green light is on, on your car charger, the charger is working..if its on (the green light) and still wont start after holding the power button for up to ten seconds, let me know and i will help you further.

bill fbf89ae.gif

May 06, 2010 | Magellan Maestro 4040 GPS Receiver

1 Answer

Have a phone charger 12 volt that fits and charges the nuvi 200 but with it plugged in it wont show anything but a computer and nuvi on screen. unplug and it works but only for a while til needs a new...

thats because the phone charger is wired different to the gps charger , u need a genuine charger, if when pluged into pc it takes longer to charge, best to have gps turned off while charging from pc..... if it still does not work/ hold charge battery in unit gone , caused by being in active for over 3 months

Dec 29, 2009 | Garmin nuvi 200W GPS Receiver

1 Answer

When i turn on my nuvi610 all i get it the screen garmin nuvi on

When you say 'plugged in', do you mean to the charger or your USB port? If it's the USB port, then that's correct - you cannot access the nuvi from it's screen while it is connected to a PC.

If you are using a wall or in-car charger, see the following link:

See page 10 in the manual, which shows you how to reset your nuvi.

Aug 17, 2009 | Garmin Nuvi 610 GPS Receiver

1 Answer

My magellan roadmate 1212 will not stay on unless plugged into

if its not charging the battery, the meter will say full even though the battery is dead..its a very common problem with alot of gps with the usb as a charging port. my solution is if this is still under warranty, i would send it back to magellan or where ever you bought it, because sooner or later the usb port is going to totally fail and wont even start up if plugged in and your going to be left with an expensive paper weight.

Jul 29, 2009 | Magellan RoadMateā„¢ 1212 Car GPS Receiver

1 Answer

Using USB in car as external power

the unit uses power EQUAL to what it is being charged with, when plugged into the USB.
you need to leave it on the DC (cigarette lighter) charger overnight to charge it fully, or use an AC plug for the Motorola Razor (min-USB) to charge it in the house

Feb 12, 2009 | Garmin Nuvi 760 Handheld GPS Receiver

1 Answer

Cant use the garmin 350 while charging

The solution is really easy. Works in the car or usb charger or whatever.
Once you insert the car charger, wait till the pc connection picture comes.
Than unplug the car charger.
Re-insert it as soon as the picture goes off.
Voila. It is ready to use now!

Feb 08, 2009 | Garmin nuvi 350 GPS Receiver

2 Answers


Turn on your garmin out of the car, connect to a PC via USB cable and see if the battery indicator goes away. If it does then the USB to PC cable is working and charging the unit. To test the car adapter, you can unscrew the tip of the plug to examine the fuse. Most Garmin car charger units have a light on them that ilimunates when you plug it in and turn the ignition. It could be that the plug is just loose in the socket. The picture shows the unit running on battery. If you plug in the usb cable and this indicator goes away, then it should be charging.


Jul 25, 2008 | Garmin StreetPilot c550 GPS Receiver

1 Answer

My Garmin Etrex wont turn on on batteries but it works fine on external usb power.

I have the same problem. The unit works until I connect it to whatever computer via USB (Mac or PC). The screen blanks out as soon as I plug in the USB cable. I have to disconnect the device and only then I am able to turn it on again. That started after Firmware update from V 2.90 to 3.00 . I am not sure this is causing problem. What about the firmware versions of your devices ? Are they all on the latest ?
However, does anybody know if there is a way to go back to firmware version 2.9 if it is not possible anymore to connect the device to any computer (evtl. through putting data on the microSD card ?).

Jul 04, 2008 | Garmin eTrex Legend Cx GPS Receiver

1 Answer

Garmin Forerunner 305 usb cable won't be read

The problem is probably not with the USB cable if the GPS wont even turn on. The older firmware of the Forerunner 205 and 305 have a problem with locking up. This causes the Forerunner to look completely dead. There is a reset procedure: push the mode and reset button at the same time and then let go and hit the power on button. If it powers on that is the problem. Go to the Garmin site and load the newest rev. of firmware into the Forerunner. Fixed mine and a few friends with the same problem.

I do however have a cable problem. Sometimes my PC will come up with unrecognized USB device and my 305 wont talk to the PC, it does charge. It is the cable or dock for sure, because I have tried a different cable/dock and the 305 has no problem. This is the reason I ended up here. I hope the lock fix works for those with the above problem.

Dec 16, 2007 | Garmin Forerunner 305 GPS Receiver

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