File Input to WM

I have attempted to input file to world machine several times to bring a 3dem map into WM to no avail. The input file looks mostly dark, very dark and I can not seem to find a way to edit the contents as you would in the Layout View panel. What would it seem I am doing wrong? If needed I could upload any files necessary to help with this, I am not sure which ones would be needed.

Learning and Liking It,
mike28086