Have a look at this: Blown out material viewport - #12 by PLGelton
Try this solution:
In Project settings Hardware Raytracing, Uncheck Raytrace Skylight. That’s causing the issue.
Have a look at this: Blown out material viewport - #12 by PLGelton
Try this solution:
In Project settings Hardware Raytracing, Uncheck Raytrace Skylight. That’s causing the issue.