Consoles "Waiting on Connection"

Hi, I am a beginner and just purchased a Chinese laser. I connected my Mac to the laser from my computers USB port to the lasers ethernet port. I used find my laser and it automatically pulled up my GRBL controller and said the laser was ready. I hit start to try and do my test cut but I got a message saying “There was a problem sending data to the laser. The machine may be busy or paused.” I previously read to try and right click “Devices” and it automatically changed the lasers ready status to disconnected. Also when I go to the console it says waiting for connection. Can anyone help me connect my computer to my laser!? I also tried putting a file on a USB stick and plugged it in but I could not get that to work either.

If I were to hazard a guess…

Is the CH340 driver installed?
If it’s been overlooked - It’s step 5 in this Instructables.

Can you see the circuit board of the mystery engraver?
Can you post a pic of it?

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