I have a cam five laser machine that’s connected through USB but it’s not registering a device on light burn when I plugged USB in it says connecting to controller, but that’s all the machine says any help would be greatly appreciated.
That looks like the HMI (Display Panel) is having issues connecting to the actual Ruida controller inside the machine. Open up the side panel, and see if there are actually red lights lit on the controller itself. May be a power issue to the controller, may be a dead controller, but not enough information to say at this point.
There should be a box like this inside the side panel, that is the actual controller:
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