Have you already download and installed garmin express for mac?
If you havent, and even if you have lets download and then install a fresh copy of garmin express for your mac. You can do so from this link
Once you have opened and installed it, run the garmin express program.
Once you have garmin express on screen.
Connect the G6 to your mac and tun it on.. Can the garmin express program see and recognize the G6 now?
If not, then follow these steps to reset the G6
To perform the master reset:
- Power Approach off
- Press and hold on the upper left corner of display
- Power device on while still maintaining pressure on display
- Release upper left side of display when Do you really want to erase all user data? message appears
- Touch Yes
And then turn your macbook off, then back on. And then launch Garmin express and see if it can detect the G6 now.
Let me know if you get stuck or run into any issues, and if this works please remember to return here and click and submit a 5 star rating to show I was able to assist you. Thank you,