All or part of the rendered image is black.
Issues and Solutions: If parts of the rendered image are black, some image files used by render appearances may be missing.
Image files for decals may also be missing.
If the rendered image is all black, it could be caused by the following:
To correct this situation, in the Rendering dialog, check the lighting settings. Change them to include natural light or artificial light, or both. If needed, turn on artificial lights.