Game Input MultipleXer

Matlo wrote: ↑Fri Sep 22, 2017 1:39 pm You may also try to hit the reset button instead of unplugging/replugging the cable.

yeah, i tried two ways...

Maybe the Arduino Leonardo is defective? Where did you buy it?

Matlo wrote: ↑Fri Sep 22, 2017 2:07 pm Maybe the Arduino Leonardo is defective? Where did you buy it?

amazon, its posible that arduino is defective? pc detect arduino and install his drivers... i dont know what do

Did any of your attempts change the way Windows recognizes the board?
If not, it still should be possible to load the blinky sketch using the Arduino software. The result will tell if the board is defective.