Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce 9400 GT/PCIe/SSE2 NVIDIA Corporation 3.3.0
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Short description of error
all the object are turning black when I am switching Viewport to rendered or Look dev.
Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]