Layers dialog box
First, turn off all the other layers in the PSD file with the exception of the Content Background layer, all the Button X layers, and the Text layers that name all the buttons. Keep them visible and active as shown in the Layers dialog box.
Selena has been at TechRepublic since 2002. She is currently a Senior Editor with a background in technical writing, editing, and research. She edits Data Center, Linux and Open Source, Apple in the Enterprise, The Enterprise Cloud, Web Designer, and IT Security blogs.