I followed instructions given by SimonF. I use USB manager but did not know that new feature has been added to pass device to VM in serial mode. So instead of modifying XML file, all you need to do is: 1) install USB manager plugin  2) Do not attach any device in the VM properties. Instead go to USB manager menu, locate the device you want to pass to VM, and click on device settings here:   3) Enable "connect as serial only"   You can also select auto c
    • Thanks
    • Like
    4