Unable to see device.

Unable to get Basecamp recognized my etrex 30x with SD card Windows 10. My computer see the external drive but Basecamp doesn't have the device available and keep saying no device is connected. Running the latest version of all the software, tried completely removing all Garmin software and reinstalling. Nope. I switched from Magellan because their software and support was so bad, Garmin appears to be awful too. I'm fairly competent on computers and have spent way more time than should be necessary to install a map.