Which motherboard? FDTI driver or CH340 driver?
Copy and paste the message from the Console window in LightBurn.
Screen cap the pop-up error message if it’s not in the Console window.
This may be worth review:
Which motherboard? FDTI driver or CH340 driver?
Copy and paste the message from the Console window in LightBurn.
Screen cap the pop-up error message if it’s not in the Console window.
This may be worth review: