Google Earth Pro - hur switchar man mellan DirectX och OpenGL?

Enligt detta kanske

Windows users can run Google Earth (Free and Pro) in either DirectX or OpenGL mode. If you're experiencing
strange graphics issues, you should try running Google Earth in each mode to see if one works better for your
system.

Setting DirectX as your default renderer

To switch to DirectX, please follow these steps:
Click Start > All Programs.
Hover your mouse over your version of Google Earth (Free or Pro) and select Start Google Earth in
DirectX mode.

Setting OpenGL as your default renderer
To switch to OpenGL, please follow these steps:
Click Start > All Programs.
Hover your mouse over your version of Google Earth (Free or Pro) and select Start Google Earth in
OpenGL mode.
You will need to close Google Earth in order to switch between DirectX and OpenGL modes