Step 1. Switch off the machine.
Step 2. Unplug the power wire, loosen the 6 screws that secure the cover of the main control board.
Step 3. Unplug and replug the USB wire(No3). You may need tweezers to peel off the glue on the surface first.
Step 4. After unplugging and replugging, please plug the power wire (No.12) into the mainboard and turn on the machine and wait for the machine to rise to the highest position, the laser module moves to the rear left in the standby state.
Step 5. Open MakeIt software>click on New project>switch to USB mode to see if the connection is successfully setup or not.