What should I do if the Heidi driver for CAD2012 configuration in winxp system is not loaded?

  

AutoCAD2012 open error: The configured Heidi driver is not loaded and switches to the default software driver.

Autodesk Inventor Fusion 2012 Open Error: Application is not available, sorry, an error occurred while initializing the graphics subsystem. This may be due to one or more of the following reasons: Your graphics driver is not configured for "true color"; there is a problem installing the application; the application installation is corrupted; or the graphics hardware and drivers or There are other issues with the application configuration.


1. For XP system, click “right click” on the desktop and click “Property-Settings-Advanced-Troubleshooting--Tune the “Hardware Acceleration” option to “All” ”, that is, "complete acceleration".

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