Troubleshooting
If you're having trouble using LightBurn, our troubleshooting resources are a great place to start looking for help with common problems and frequently asked questions.
Note
If you can't find answers here, you can reach us by email at Support@LightBurnSoftware.com, or join our Support Forum, where you can search to find solutions to your issue, or make a new post asking for help.
See How to Ask for Help for guidelines on getting effective assistance as quickly as possible.
What's Wrong?¶
Choose a category below for more help.
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Job Quality¶
Resources to help you figure out why your laser's output doesn't look how you expect.
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Preview Window¶
Solutions to common problems when using the Preview Window.
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Connection Problems¶
Get help connecting your laser to a computer and sending jobs to it.
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LightBurn Editor Help¶
Frequently asked questions about creating and editing designs in LightBurn.
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GRBL Errors¶
Get help with GRBL-specific errors.
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GRBL Communications¶
Get help communicating with GRBL devices.
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License Activation and Management¶
Solutions to common license activation and management issues.
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Camera Troubleshooting¶
Solutions to common problems using a camera in LightBurn
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Setting up CNC-Based Lasers¶
Get help setting up a CNC router as a laser cutter.
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Drivers¶
Get help finding and installing the appropriate drivers for your laser.
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Electrical problems¶
Get help identifying and solving electrical problems with your laser.
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Galvo Laser Troubleshooting¶
Get help identifying and solving problems with your Galvo laser.
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How to Ask For Help¶
How to ask for help with LightBurn and get useful answers quickly.
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Vector Artwork Imports with Extra Lines¶
If you get a lot of extra lines and unexpected shapes in your design when bringing in designs made outside of LightBurn, we can help.
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Machine Size Mismatch Error¶
Get help dealing with the machine size mismatch error in LightBurn.
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macOS-Specific Problems¶
Get help with problems specific to macOS.
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Windows-Specific Problems¶
Get help with problems specific to Windows.
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Mechanical Issues¶
Get help identifying and fixing mechanical problems with your laser.
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Reset to Default Settings¶
Messed up your settings and not sure what to do? Here's how to reset them.
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Serial Port Problems¶
Get help with serial port problems between LightBurn and your laser.
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USB Cables¶
Get help identifying and solving problems with your USB cable.