Shadows cast on objects can be displayed only when geometry acceleration is turned on. Use the GRAPHICSCONFIG command to access hardware acceleration settings in the Graphics Performance dialog box.
0
No shadows are displayed
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1
Ground shadows only are displayed
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2
Full shadows are displayed
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Note:
To display full shadows, hardware acceleration is required. To turn on hardware acceleration, enter graphicsconfig at the Command prompt. In the Graphics Performance dialog box, click the Hardware Acceleration button.
Existing visual styles are not changed when you enter a new value for this system variable. Any new value entered for this system variable temporarily creates an unsaved new visual style.