Direct3D may actually be disabled... Try the following (as per Microsoft):
1. If the DirectX Diagnostic Tool is not already open, follow these steps:
a. Click Start, and then click Run.
b. In the Open box type DXdiag, then click OK.
2. Click the Display tab.
3. Verify that Direct3D Acceleration is listed as Enabled and the button to the right indicates Disable.
4. Click Disable.
5. When you receive the following warning, click OK:
This will re-enable hardware acceleration of Direct3D for ALL display devices on your system.
6. Verify that Direct3D Acceleration is still listed as Enabled and the button to the right indicates Disable.
7. Click Disable
8. When you receive the following warning, click OK:
This will disable hardware acceleration of Direct3D for ALL display devices on your system.
Direct3d Acceleration now indicates that it is Disabled and the button to the right now indicates Enable. Click Enable one more time to properly start Direct3D Acceleration for your computer's display.