Waiting for Connection.. Mac

LightBurn Software Questions OS Specific
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I was using my laser yesterday. It wouldn’t complete the job I sent to it, so I moved on to a different project. I began the new project and before anything cut, it ran into the side of the machine (although I checked the cut preview and it should not have been a problem). After that, I have been unable to establish a connection to the machine (whether I run it through a dumb hub or a usb a to usb c adapter). The console says “Waiting for connection…”. The program lists the ports it’s on, so the computer recognizes the device. I was running the most recent release and found that the problem could be the version. I downloaded a pre-release version and backed down to 2.0.02. That didn’t work-- not surprising since it was working using the new release. I redownloaded the CH341 driver. I tried a usb-a to usb-c cable; naturally that didn’t work. Is my best bet a new usb-a to usb-a cable or something else? Thank you for your time and ideas.

Machine: OmTech K40+ (grbl, I believe)
Computer: MacBook Pro running Sequoia 15.6.1 (24G90)
Firmware: ?

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USB cable (connections) are often the culprit for communication problems between the laser machine and the computer, especially if the maximum length for USB is not respected.
However, I read your MacOS version number and would recommend looking for version 15.7.2. It has helped a lot with performance problems I have had on my Macbook. It could be that it also helps with the problems you are struggling with.

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Thank you! I will try that!