Quote Originally Posted by ctjet View Post
Hello everyone, I have a Makerfarm Prusa i3v 12" with RUMBA board. It no longer connects to USB after the update to windows 10. It shows up as an unrecognized device. I have emailed Colin and he has no idea. Any ideas on how to fix this without downgrading windows? I can still 3d print from the SD card if necessary.
Possibly take a look at this section of the Rumba board wiki

http://reprap.org/wiki/RUMBA#USB_con...in_progress.29

Might be the same issue your having. Good luck!