@carlto65 , There is a known issue with Intel HD Graphics 5500. Please see SketchUp 2015 (64-bit) and Intel HD Graphics 5500 for details and workaround (install SketchUp 32 bit).
@carlto65 , There is a known issue with Intel HD Graphics 5500. Please see SketchUp 2015 (64-bit) and Intel HD Graphics 5500 for details and workaround (install SketchUp 32 bit).