I locked it up doing something in the dashboard menu & not waiting for it to finish before I moved on to something else. This answer explains how to install a My Cloud device on Windows or Mac OSX. View user-manual-my-cloud-expert-series-ex2-ultra. How to map a My Cloud or NAS device on Windows Answer ID 9323 To access and store data on a My Cloud device, mapping one or more shares is recommended.
My cloud ex2 ultra is not accessible Connected.