Bonsoir, j’ai une COMGROW Z1 et deux macookpro un de 2012 et l’autre de 2017 et impossile de connecté mes MAC sur le laser ???
Your laser’s fine. Your Mac’s fine. They’re just not speaking the same language yet because macOS is picky as hell about USB stuff.
Here’s what I’d do if it were me:
Step one—you need to install the right USB driver. That Z1 uses a chip (probably CH340) to talk to the Mac over USB, and macOS doesn’t have support for that out of the box. Go grab this:
Download it, install it, reboot your Mac.
Step two—after it reboots, open System Preferences > Security & Privacy, and you might see a message about blocked software. Click “Allow.” Apple loves to block drivers even when they’re fine.
Step three—open up LightBurn, and go to Devices > Create Manually. Choose GRBL, then keep clicking Next until you get to the COM port list. You want to pick something that says usbserial or wchusb. If you don’t see it, unplug the USB cable and plug it back in.
Still nothing? Try a different cable. Some USB cables are just charging cables with no data line. It’s dumb, but it happens all the time.
If that still doesn’t work, try plugging it into a USB hub, especially if you’re on that 2012 MacBook—those older ports can be finicky with power and data.
Once you get that port to show up, LightBurn will remember it and you’ll be good to go.