You can try switching the rendering engine to OpenGl instead of metal
Use this command in the terminal.
defaults write com.apple.CoreSimulator.IndigoFramebufferServices FramebufferRendererHint 2
(1 = metal, 2 = forced use of OpenGL, 3 = OpenGL)
Or, if your gpu is HD3000, you need to use
defaults write com.apple.CoreSimulator.IndigoFramebufferServices FramebufferEmulationHint 1
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