Change Screen Orientation
- Go to HKEY_LOCAL_MACHINE\System\GDI\ROTATION
- Based on the settings shown below, modify the value of “Angle”
- Portrait Mode - dword:00000000 or dword:00000360
- Landscape (Right handed) - dword:00000090
- Portrait Up-side down - dword:00000180
- Landscape (Left handed) - dword:00000270
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