It's HER, I'm a woman
Have you set Setup->System->Interface to Garmin Spanner ?
If you set Setup->System->Interface to Garmin Spanner you will get prompted every time you plug into the PC whether you want to enter USB mode or not. You can't send files to the Garmin but you can use it as a GPS connected to a laptop and it does draw power from the USB cable.
read here:
Code:
Please Login or Register to see the links