What does NTSTATUS 0xC01D0007 (STATUS_MONITOR_INVALID_USER_FRIENDLY_MONDSC_BLOCK) mean?

 
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STATUS_MONITOR_INVALID_SERIAL_NUMBER_MONDSC_BLOCK STATUS_MONITOR_NO_MORE_DESCRIPTOR_DATA

STATUS_MONITOR_INVALID_USER_FRIENDLY_MONDSC_BLOCK

The display-name descriptor cannot be used as supplied

STATUS_MONITOR_INVALID_USER_FRIENDLY_MONDSC_BLOCK applies to the human-readable monitor-name descriptor. The failure is about a field inside monitor capability data, not a failure to enumerate the physical monitor or a statement that Windows cannot display a friendly name at all.

A friendly name can also come from an INF override or a system-generated device label. Those names are useful for the UI, but they are not evidence that the manufacturer-supplied descriptor is valid. Preserve the source of each name when comparing monitor inventory or support captures.

What to check

  • Store the raw descriptor and identify whether the displayed name came from EDID, an INF override, or Windows.
  • Compare the block through a direct connection before changing driver or monitor override data.
  • Do not treat a name-only defect as proof that detailed timings or frequency limits are invalid.

References

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