Have tried countless times to connect lightburn to my S5 Pro, the port always says that it has failed to open or may already be in use. I have tried all the different COM ports, and no luck. Unplugged, switched ports, restarted the machines, etc, etc. No luck.
Anyone have any suggestions?
GRBL Version: 1.1h
Shapeoko 5 Pro
Windows 10 PC
Ligthburn trial 1.6.01
brand new JTech 7W laser.
Just seemed to solve it, posting for anyone else who may want to know…
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I opened carbide motion, and did not initialize the machine, but connected to it.
After that, I closed CM, then opened Lightburn. Connected to the correct COM port, and it seemed to work.