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| ERROR_GRAPHICS_NO_RECOMMENDED_VIDPN_TOPOLOGY | ERROR_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE |
ERROR_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGESET
ERROR_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGESET means the collection itself is unusable, not merely that one requested refresh rate is unsupported. WDDM exposes monitor timing limits through a range-set interface associated with a particular video present target and monitor object.
Validate the handle lifetime, ownership, and enumeration protocol before blaming EDID contents. The set may have been obtained for a different target, retained after a hot-plug change, or populated with contradictory entries. When ranges are derived from EDID or DisplayID, preserve their stated horizontal and vertical limits and the capability origin rather than merging unrelated descriptors into one synthetic interval.
Range-set validation checklist
- Reacquire the monitor interface after target or connection changes.
- Confirm every range descriptor belongs to the same monitor object.
- Reject intervals whose minimum exceeds the maximum or whose rational denominators are zero.
- Keep EDID-derived and driver-supplied capabilities traceable to their origin.
Microsoft: obtaining the monitor frequency range set
Microsoft: WDDM monitor interface
VESA: EDID and display identification standards
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