System Information
Operating system: Windows 10 64bit
Graphics card: RadeonPro WX7100 x2
Blender Version
Broken: blender-2.80-c252fe7a32ab-win64
Worked: (optional)
Short description of error
Blender starts normally when two monitors are turned on. When only one monitor is turned on, error information about Unsupported Graphics Card or Driver - with support for OpenGL 3.3 or higher - shows up.
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
