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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.
@Gordon
Have you tried on another computer, just in case it's some kind of configuration issue with the COM port?
Also, when plugged in and you get that text (out of bootloader mode), try
[Ctrl-C] [Ctrl-C] echo(1) [Enter]and see if a prompt appears. If it does, reset and save (but that shouldn't affect the bootloader)