Another software (e.g., LightBurn or Cura) is using the same port. Fix: Close all laser software. Go to Device Manager > Ports > Right-click your COM port > Properties > Advanced > Change COM port number to COM1-COM4 (lower numbers are less contested).
How to use the MKS Laser Tool if it you can't click on the buttons. mks laser tool setup v112exe download free
Have a verified clean copy of MKS Laser Tool V1.12? Share the SHA-256 hash in the comments (without linking directly) to help the community stay safe. Another software (e