Nuvi 3597 not recognized by windows 10 or mac os and garmin express doesn't find device. I want to update maps

I want to update my maps on my nuvi 3597.  I had it in storage for years and it has been my favorite garmin.  However, the maps are out of date.

I thought the problem may be that the garmin 3597 is using an older file structure and is why windows 10 doesn't recognized it.  So, i tried my old Mac running el Capitan but ran into the same issue.

I never updated the software or the maps on the nuvi 3597.

The simple work around would be to load maps on the SD card and import directly from card to device but I havent found a way to do this.

Thanks