Preview and locate the block references that you can't purge in the current drawing. 
- Do one of the following: 
	 
- On the toolbar, click 
		  
. 
		 
- At the Command prompt, enter PURGE. 
		
 
 
   
-  In the Purge dialog box, click Show Details if necessary. 
  
 
- Click Non-Purgeable Items. 
  
 
- In the left pane, expand the tree view for Blocks. 
  
 
-  Select a block definition in the tree view that you want to preview and locate in the current drawing. 
  
 
- Under Details in the right pane, click Select Objects. 
	 
 
	 
The dialog box closes, the specified block references are all selected, and the drawing automatically zooms to include them all. 
	 
 
   
Note: If a block reference is on a layer that is frozen or turned off, when you click on Select Objects, a task dialog box displays that provides the option to thaw and turn on the layer of the non-purgeable block references.