The engraving machine cannot connect to LaserGRBL

1.Driver is missing, connection failed.

In LaserGRBL, click to install the driver, Then restart the computer to connect.

2.Multiple laser programs run simultaneously.

Quit other laser software.

3.Incorrect port number.

Please choose the correct port number.

4.Incorrect baud rate.

Please select the correct baud rate in the software-115200.

5.Data cable is not connected.

Please check whether the data cable is connected correctly.

6.Computer USB port problem

Please try another USB port.