Ensure you have the CH340 driver installed on your PC. Without this, the MKS Laser Tool will not be able to "see" your motherboard via the USB port. Setting Up Your Laser Once installed, using the tool is straightforward: Connect your MKS board to your PC via USB. Open the MKS Laser Tool .
: After downloading the free tool, you might find the buttons are grayed out or unclickable. The "trick" shared by the community is to run the program as an Administrator by right-clicking the Configuring the Brain
5.4 Post-installation checks