I have the same graphics card as the person below who had trouble because of GPU render, but I'm rendering on CPU and it hasn't fixed my problem. Something happened in the last couple tutorials that cycles shadows have practically disappeared while Eevee shadows are still there. Every time I bake, I get a plain black texture & I hope it's something I did & not my graphics card which is 5700XT.
Hi cgwooky,
there are two reasons why something is black: it absorbs all the light or it doesn't receive any light ;)
Look at your Sun and disconnect or disable (CTRL+ALT drag) the Light Path Node: