Connection issues with lightburn

Helol all, i have a sculpfun s30 ultra that will not connect to lightburn, i have the drivers installed and everything up to date, i can connect to the laser using grbl Laser, but not with light burn and yes i have closed the other program befor i tryed

Reboot your PC with the laser connected and powered up.

  1. Does Windows make a tone when it connects to the laser? Does it make a tone when you unplug the USB cable?
  2. Does Lightburn show a COM number in the Laser window? Is there more than one COM listed?

i have tryed all of your ideas, even in device manager on windows checked the com ports it is using and sellected to correct port but does not work, But yet i can connect to it via bluetooth with lightburn lol, sculpfun is sending me a new motherboard

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