render nero

[naykif]

After making a 3d, set up and materials and lights, I go to make the render or a preview of render and I come all black.
How can I solve this?

 

[PlannerRoad]

seen here already? :
http://www.cad3d.it/forum1/showthread.php?t=4602
http://www.cad3d.it/forum1/showthread.php?t=13288

 

[The_Last_Protester]

I also have the same problem but I can't solve with the info mentioned above.
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