Another device on the same circuit as your laser, like a mini-fridge, air compressor, water chiller, etc.
If your cable is longer than this, it may need an amplifier or active extension for the signal to remain strong enough to be read correctly at the other end.
If you use a Trocen controller, you might have to install LaserCAD to get their driver.On Windows systems, a driver for Ruida and TopWisdom controllers is available at the end of the LightBurn installer - just check the box for the FTDI driver.A common driver for Chinese diode lasers is this one:.If your machine came with its own software, you might have to install that in order to get the driver for your device. Make sure you have any necessary drivers installed for your laser.Troubleshooting Troubleshooting - Connection Issues ¶ Can't connect to the laser ¶