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STATUS_GRAPHICS_NO_VIDPNMGR
The adapter has no VidPN manager for mode-management work
The VidPN manager is the kernel component interface used to manage video present networks for a display adapter. This status means the adapter context being used does not have an associated VidPN manager.
That usually points to the wrong adapter object, an adapter that does not participate in display mode management, or a lifetime problem during start, stop, or device removal. It is not a normal response to an unsupported monitor timing; the mode-management infrastructure itself is missing for the adapter context.
What to check
- Verify that the adapter object is the display adapter expected by the caller.
- Check driver start and stop sequencing; avoid VidPN calls after teardown begins.
- For render-only or special-purpose adapters, confirm whether VidPN management should exist at all.
References
- Microsoft: Introduction to Video Present Networks
- Microsoft: VidPN objects and interfaces
- Microsoft: WDDM design guide
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