To Turn off Visibility Enhancements

At the Command prompt, enter AMLAYVISENH.
In the Visibility Enhancements dialog box, Click None.
Click OK.

Related Concepts

About Using Layer Groups

Related Tasks

To Create a Layer Group
To Delete a Layer Group
To Move Objects From One Layer Group to Another Layer Group
To Copy a Layer Group
To Override Layer Color by Layer Group Color
To Use a Layergroup as a Selection Set
To Lock and Visually Differentiate Inactive Layergroups

Related Reference

Commands for Working with Mechanical Layers