How do I get rid of grid.lines

Grid lines just started showing up on my PS images. The are very annoying, and I've tried preferences settings to get rid of them. However, they still show up in various sizes.

Howard

Go to View > Extras > Show and check or uncheck items.

Otherwise, to quickly show or hide what's checked...

To hide grid lines do Command "

To hide guides do Command ;

To hide slices and everything else at the same time do Command H