Laser Master 3 not found via USB

I posted earlier about the LM3 not working well on the network. So I decided to connect USB. The SD card shows up and so does /dev/ttyACM0, so I know the cable is good, etc. However, LB doesn’t detect and if I set it up manually it never shows connected.

Any troubleshooting ideas?

Is this on Linux?

Did you follow the Linux installation instructions, particularly on group permissions for “dialout”?

Installation & Setup - LightBurn Software Documentation

1 make sure you dont have lightburn open on another window, has it may be connected on there

2 make sure your on the correct port

Thanks for the replies. I actually had something else running that was trying to grab the port. My bad.

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