my model are black what's going on?

[allked]

i loaded in my project it seems all black, i have already turn off the light for the material,and i see console message like this: loaded texture \box.jpg loaded model \box.x,but it still black.... in the mesh viewer it seems all work, thanks ...

[kompromis]

you have to turn light off

ex:
node->setMaterialFlag(video::EMF_LIGHTING, false);