Garmin Nuvi after routes are loaded

My Nuvi 2557 is working perfectly until I upload my routes to the device. After I upload the routs to the device, the Nuvi 2557 doesn't connect properly to the computer. I have 14 of them for my small business and it is happening to all of them.

The way I am uploading the routes is dragging the GPX files from my computer to the Nuvi 2557. Then when I turn the Nuvi on, it breaks the routes up into 30 point sections.

Any ideas why this is happening? Why the Nuvi would all of a sudden not talk to the computer? Is there a better way to upload the routes to the Nuvi then simply dragging them over?
cansevinAsked:
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Kyle SantosQuality AssuranceCommented:
I found your Nuvi's manual: http://static.garmincdn.com/pumac/nuvi_24x7_OM_EN.pdf

Is your computer Windows 7 or earlier?
Have you tried using Garmin's software for the Nuvi to put these routes on the device, specifically myGarmin?
http://my.garmin.com/

Does your Nuvi have the latest update?  Is there any reason the routes would conflict with different software versions of the Nuvi?  Is this the first time you have uploaded routes from your computer to the Nuvi?

When I planned my trip to Scotland with my Garmin Nuvi gps I ran into an oddity like this.  In my case, the primary storage on the Nuvi itself did not have enough capacity to hold the Scotland files and my original maps of the USA.  (It would have been nice to be told this by Garmin with an error message.)

Upon further investigations, and a chat with a Garmen agent, I ended up having to buy a SD card and install the files of 'Scotland' on there.  Worked without a hitch when we drove around Scotland.

Let me know if you need anything else.

o/

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cansevinAuthor Commented:
Thanks! You lead me in the right direction... ultimately it was Basecamp that I needed.
Kyle SantosQuality AssuranceCommented:
You're welcome!  Glad I could nudge ya in the right direction.

o/
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