LightBurn multiple connections “already in use?” error

[parsec (FerAS)]

Read these posts please, maybe can help.

Lightburn not connecting to MacBook Pro OS Sequoia 15.0

Hi Lisa Might need to check what the OS itself sees Do this tests - with your multiple cables and adapters But start Without anything connected Open a Terminal - then type this code in and press enter (it will list all USB devices) ioreg -p IOUSB Get a baseline image and save it with no USB device connected. Then try the same code as you plug the laser with the multiple cables. If no cable creates a change on the listed devices there might be a USB problem (Also if possible use a Window…

Lightburn not connecting to MacBook Pro OS Sequoia 15.0

Well at long and at last but by accident I’ve managed to get my MacBook Pro to connect to the Laser. I happened to find an Extension setting which showed that the CH340 drivers not enabled…I firstly found it on my MacMini which was enabled, I checked my MacBook Pro and it wasn’t. As soon as I enabled it the laser kicked in, all the adapters I bought will work on it as well, so it had nothing to do with these but a setting!! Bug learning curve… The setting is found here: System Settings > Gener…