Hello,
The lights that I set up doesn’t show up in the render. As seen in the image, I increased the strength of my light and it can be seen in the viewport but not in the render.
1_1.blend (863.0 KB)
You aren’t getting anything in the render because the lights have a diffuse BSDF being used as their material instead of an emission shader. You should replace that diffuse shader with an emission shader.
The reason why it works in the material preview mode is because the preview uses Eevee, and Eevee can’t use material nodes for light objects (so it doesn’t matter that the wrong material is plugged into the light, Eevee ignores it).
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