Why isn't light working? I'm new to Blender. I've got a scene, I downloaded from an Internet forum about a year ago, but light isn't working.

If I create a new file, add a mesh and shine a light on it I get light.

When I follow the same process in the scene I want to light the spotlight has no effect.

Any ideas?





Thanks to @Timaroberts it appears the scene is upside down or something.

When I move the lamp underneath the plane and rotate it the scene lights as expected.
It looks to me like the energy settings of the lamp, in wireframe you won't see the lighting, and your rendered viewport looks normal for a single spot at default values. Change the lamp's strength to a higher value, or you may use a plane with an emission material and you will see your scene much more clearly.