I had the same problem.
I restart the computer and the 1st render OK
if i make the secounf render black again... if restart the 1st is OK again.
My three wood textures are labelled: deckwd, deckwd.2 and deckwd.3.arch4d wrote:think it´s a problem with the texture name...
perhaps too long or some non latin characters?
try renaming the texture into somthing like w1.jpg...