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The first thing to check isthat your config.pro file contains the following line
graphics opengl.
It would be worth checking that yourQuadro graphics card dirvers are configured correctly for Pro/E
>Go into Windows display properties
>Select the settings tab
>Select advanced
>Select the Quadro tab for your graphics card
>Open the nVidia control panel
>On the left under 3D Settings, select Manage 3D Settings
>On the Global settings tab, from the drop down menu select Pro/Engineer