Grid lines disappeared in column

[Melissa in Salem]

When I Edit>Fill>Down and dragged it down with the mouse, it indeed
filled in the formula but the grid lines are gone now in that column.
Where do I go to get those back?

 

[Melissa in Salem]

When I Edit>Fill>Down and dragged it down with the mouse, it indeed
filled in the formula but the grid lines are gone now in that column.
Where do I go to get those back?

I fixed it - it was No Fill selection that fixed it. I had been using
a white fill and it covered the grid lines.