Troubleshooting - nloomans/language-nxc GitHub Wiki
Linux
Try running this in the terminal
sudo sh -c "echo 'SUBSYSTEM==\"usb\", ATTRS{idVendor}==\"0694\", GROUP=\"nxt\", MODE=\"0660\"' > /etc/udev/rules.d/70-nxt.rules"
sudo groupadd nxt
sudo usermod -a -G nxt USERNAME
reboot
note: replace USERNAME with your username
Windows
Install the patched fantom driver (special thanks to the ROBOTC team for fixing the driver!)
If the driver is still not working, try the NXT Fantom Driver Troubleshooting Guide (special thanks to the bricxcc team for writing this)
Mac OSX
It should work out of the box, if it doesn't, please create an issue.