AutoCAD: Heidi Module Load Error: “Error Loading Heidi Module – C:\Programs Files\Autodesk\AutoCAD 2022\DRV\\acaddm16.hdi”
This will disable Hardware Acceleration while in AutoCAD.
This error indicates that either your Video Card and/or Video Card driver does not support DirectX 12. This can cause graphics issues. This will disable your AutoCAD hardware Acceleration.
To resolve this issue set AutoCAD to use DirectX 11.
• Inside of AutoCAD in the command line Type GFXDX12 and select the <Enter> Key on your Keyboard.
• Type 0 and select the <Enter> Key on your Keyboard.
1 = On
0 = Off
• Now restart AutoCAD and the error should no longer appear.
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