What does NTSTATUS 0xC01E034A (STATUS_GRAPHICS_MODE_NOT_IN_MODESET) mean?

 
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STATUS_GRAPHICS_MULTISAMPLING_NOT_SUPPORTED STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY_RECOMMENDATION_REASON

STATUS_GRAPHICS_MODE_NOT_IN_MODESET

The lookup used the wrong set or obsolete mode

This status is a mode-set membership failure. The mode sought by the operation is not in the source or target mode set that is currently selected. It differs from an invalid mode descriptor: the mode may be well formed, but it is not part of this particular current collection.

Typical causes include using a mode from another source or target, caching a mode across a topology update, or checking a candidate before cofunctional enumeration has populated the new set. A guessed replacement mode can violate pinned constraints.

Prove membership before selecting

  • Log mode-set handle, source or target ID, mode identifier, and topology generation.
  • Reacquire the set after a stale-set indication or topology change.
  • Use the current set to choose candidates; do not assume EDID support alone makes a mode available in the active VidPN.

References


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