I'm new to keyboards in general and just assembled my ergodox from Massdrop following the massdrop instructions, but it doesn't work. Here's a link to the instructions:
https://www.massdrop.com/ext/ergodox/assembly.php
Here's what happens:
--USB plugged in, red LEDs light up
--Teensy plugged in, detected by Teensy app, I can flash things
--Teensy plugged in and blink .hex file loaded -> works and is detected by computer, Windows displays "Installing Teensyduino RawHID Device" window
But when I load the keyboard .hex file and plug in the keyboard, the keys don't register when I press them and Windows displays "USB Device Not Recognized." I tried flashing on a Mac and on a different Windows 8 PC, but still no luck. Anyone have any idea what's wrong? Any help would be appreciated

I'm only testing with the right-hand side PCB, would this be a problem?