New printer (Ender-3) won't connect through USB
I have used the Repetier server with my previous printer (Anet A8), but now traded it out for a Creality Ender 3 printer. While I could easily connect the Repetier Server to the A8 over the USB cable, the Ender-3 will not. With the A8 it showed it was connecting through COM3. I now only see COM4, and no COM3 showing (Windows 10). COM4 is showing as RAMPS. I can change it to COM3, but it still doesn't connect. I have also tried the "Add New Printer" wizard, but it just sits at the "Waiting for connection" stage.
I would really like to be able to connect via the USB / serial so that I can send gcodes for fine tuning. Any assistance would be appreciated.