I am trying to update my Driveluxe 50 via Garmin Express on macOS SIERRA version10.12.6 (16G2136
It has been stuck for over an hour on Preparing Device for Software Update
I am trying to update my Driveluxe 50 via Garmin Express on macOS SIERRA version10.12.6 (16G2136
It has been stuck for over an hour on Preparing Device for Software Update
Then I suggest you disconnect and try again, but try the steps in this FAQ first
https://support.garmin.com/en-US/?faq=GuclsqmdI02dC0ULxHR2T6&searchType=noProduct
Link working for me ...