I have just received an arduino MKRZERO, i have tested a handful of examples and libraries on it and everything worked fine.But when I tried to upload the Multiserial example (in the communication submenu) this error showed up : no device found on ttyACM0, and sure enough the board is no longer dete…

arduino MKRZERO no longer upload

ieee488 April 28, 2018, 9:39pm 2

reboot?

try a different port?