Problem sending data to the laser. the machine may be busy or paused

LightBurn Hardware Compatibility
1

computer updated, Windows 11Home now lightburn will not run, "there was a problem sending data to the laser. the machine may be busy or paused. Can anyone please help

2

I have the same problem with my MacBook Air. Please help!:frowning:

3

This is usually caused by a computer not being connected to the laser engraver, or another piece of software hanging on to the USB port and not allowing LightBurn to communicate with it . If you’re working with an xTool D1 Pro engraver, please confirm that XCS has shut down properly then reconnect with LightBurn.

4

I have tried, but I will try to un-install XCS and then try lightburn. This happened after a windows update

5

Is your laser showing up in device manager?

6

it is showing in com port

7

Make sure any other programs are disconnected and the try connecting to that com port.

8

I tried everything, I think it had something to do with the windows update, because it worked fine until then

9

Don’t know if you can roll back an update. Maybe you have a restore point.

10

Thank you for your help

11

I use a MacBook Pro running Sonoma 14.1.2. I can run from the computer and send files to run on the Ruida controller but when I try to send or run another I get the same message you’re seeing. The workaround is annoying but works. Unplug the USB-C cable and plug it back in and it works again…once.

Any ideas on how to clear whatever cache or other function without physically unplugging would be appreciated.

12

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