Check this out................

http://support.microsoft.com/default.aspx?kbid=833258

The fill color, the fill pattern, or the line color of a WordArt or
AutoShape object in an Office document does not change

As directed, change the High Contrast setting in Windows OS


Gord Dibben MS Excel MVP

On Fri, 22 Aug 2008 04:58:01 -0700, Miriama
wrote:

When I add shading to a cell, I cannot see it on the screen, I can only see
that there is shading when I use the print preview option.