I have a problem with Basecamp & Garmin Express and a MAC (late 2015).
The mac has Monterey 12.7.3 running
Basecamp is 4.8.13
Garmin Express is 7.20.0.0
When the Zumo 660 is connected to the mac both the 660 and SD card are shown on the desktop, and both are show as folders in Finder.
When loading Garmin Express, GE does not find the 660.
When loading Basecamp, Basecamp finds the SD card but not the 660. I can transfer routes/waypoints to/from the SD card via basecamp.
I have checked the solution above in allowing access to external folders and both have permission.
I deleted the 660 from Express, but now can't reconnect.