Select the Render Manager 
tab in
the left panel of the graphics area.
In the Lighting folder, right-click a light and select:
To access menu items for Lighting:
Select the Render Manager tab in
the left panel of the graphics area.
In the Lighting folder, right-click a light and select:
On in PhotoWorks - When selected, the light is used in the PhotoWorks scene. The visibility of the light in the PhotoWorks scene does not affect the visibility of the light in the SolidWorks graphics area when the model is not rendered.