Press Ctrl (Mac: Command) ; (Semicolon) to show/hide Guides. Press Ctrl (Mac: Command) ' (Apostrophe) to show/hide Grids.
How do I get rid of pixel grid in Photoshop cs6?
To remove the pixel grid in Photoshop, go to View > Show > Pixel Grid. This will toggle the visibility of the pixel grid on your canvas. You can also press Command + ' (Mac) or Control + ' (Windows) for the same result.
How do I turn on grid in Photoshop cs6?
Choose Edit > Preferences > Guides & Grid.