-   Check that the light's Illuminates by Defaultattribute is on when no light linking is intended.
            
- If light linking is desired, make sure the light is linked to the object.
- Check that the object is assigned to a shading group and that this shading group has a surface material.
 Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
 Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License