Try this first, and lemme know if it helped before we try other things Cool?
Use the lighting commands on the Object Shading menu to select which lights to use in the canvas or scene.
These options include:
Use Default Lighting-
Surfaces appear fully illuminated by the Paint Effects default light.
Use All Lights-
Surfaces appear illuminated by all lights in the scene.
Israel "Izzy" Long
Motion and Title Design for Broadcast-Film-DS
izzylong.com