Select or Windows 7 from the drop-down menu. Check the box for Run this program as an administrator . Click Apply and launch the application. 4. Configure AutoCAD to Use OpenGL Instead of GDI
The file is part of the HEIDI (HOOPS Enhanced Interface for Desktop Integration) graphics system used by Autodesk products. autocad virtual device gdi16.hdi
Launch AutoCAD. It will flag a warning that the driver is missing and will automatically fall back to the default Windows software rasterizer ( whipbase.hdi or standard OpenGL), allowing the program to run. 3. Adjust Windows Compatibility Settings Select or Windows 7 from the drop-down menu
: Significant lag when zooming or panning. autocad virtual device gdi16.hdi