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STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_TARGET
A display adapter must expose at least one target endpoint
In the VidPN model, video present targets are the output endpoints that a source can be connected to through present paths. A display-capable adapter cannot build a useful topology if it exposes no targets at all.
This differs from a target with no monitor connected. The problem is the adapter target inventory itself. In miniport and virtual-display code, this status often means child-device enumeration did not create target records, or the target count was lost during restart or power-state transition.
What to check
- Record target count separately from connected-monitor count.
- Inspect child-device enumeration and target capability reporting during adapter start.
- After sleep, surprise removal, or driver restart, rebuild target state before committing VidPN work.
References
- Microsoft: Introduction to Video Present Networks
- Microsoft: WDDM design guide
- Microsoft: VidPN objects and interfaces
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