What's the type of dongle? It's unlikely to be broken, but I guess there could be some driver issues with it.
And exactly the same install steps work fine on a Raspberry Pi 3?
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
What's the type of dongle? It's unlikely to be broken, but I guess there could be some driver issues with it.
And exactly the same install steps work fine on a Raspberry Pi 3?