I know some other people have asked this question but none of the answers to the other peoples questions have helped me resolve this issue. i am trying to make a metal cube...but it looks like this:
this was a 32 sample version because i did not have time to render it. i used all 4 maps from my texture. don't know if that was a good idea.
it is too dark and odd looking i want it to look brighter like normal metal. any help is appreciated :) here is a .blend file: