regen in 2006

I'm aware that in 2006 regen no longer works so if I've rendered/shaded a model how do I return to a normal view. I've forgotten the command.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.