I downloaded the topo map of interest BUT....
When I connect my 450 to the PC, and open Garmin Basecamp which I just downloaded, I follow the instructions and run into a wall.
I select Internal Storage, right click and select "Install map on Oregon 450", garmin Map Install opens automatically, it has already identified the Oregon as the device, it says "No unlocked maps were found for this device.", but "Continue" which is the next step is greyed out and if I click it, nothing happens.
Any ideas? Thanks a lot for any help.