I opened my blender file and I saw the grid and when I went into the rendered mode in cycles everything was blank and there are lights in the scene and the sample progress doesn't change even though it is unpaused. I have turned on the grid in the overlay tab but it didn't work. Can anyone help?
I switched render to EEVEE and in setting change hair type to strip:
And after that, Grass is started displaying like this:
That is mean that width of grass 10 times bigger than house. This is too heavy for Cycles, and it cannot show even one pass. So you need to set up width like this to make the grass reasonable sized: