07-19-2012 03:26 PM
Several games and Windows Live Movie Maker do not start. Error messages are pointing at DirectX.
E.g.. 'World of Tanks': 'Application has failed to start because DirectX hardware acceleration is not available or is turned off.
When I start DxDiag I see that Direct3D acceleration is disabled (DirectDraw and AGP is enabled). There is no button to enable Direct3D acceleration. When I select 'execute 64-bit DxDiag' Direct3D acceleration is enabled.
HP Pavilion HPE
Windows 7 SP1 64 bit
07-20-2012 06:42 PM
Try this Microsoft article.
HP e9280t, i7-960, 12GB, Vertex 3 120, ATI 4850
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
Custom i7-4770k,Z-87, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650,GTX 760
Custom i7-4790k,Z-97, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT
11-02-2012 01:41 PM
Do you have a 64 bit version of your OS installed on the computer? At the bottom of the DXdiag window you whould have a run 64 bit DXDiag.
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