Quote Originally Posted by popotnik View Post
Ok, this mean that your chip is ok.

You write that if you flash FW 6.60 your PC see your nuvi.

Please try this:

Flash to version 6.60
Clear non vol
Connect nuvi to PC and update nuvi with webupdater to FW 7.90 ( don't use Garmin express)

Let us know if after this your PC recognize nuvi with FW 7.90.
Hi,
Some thing,the PC not recognize my nuvi.Where I`m wrong?