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ERROR_GRAPHICS_MCA_INTERNAL_ERROR
Why this is not a generic GPU failure: graphics mca internal error
ERROR_GRAPHICS_MCA_INTERNAL_ERROR (0xC0262588) belongs to the monitor layer. It marks the MCA/DDC-CI layer failed internally while communicating with or interpreting the physical monitor, rather than a generic rendering failure. The object that owns the decision is Monitor Configuration API transaction.
This result: Physical monitor handles are not durable identifiers. They become stale after topology changes and must never be persisted or reused across enumeration generations. The built-in one-line message identifies the immediate result; diagnosis also needs the producing API, object ownership and the display generation current at the time.
The smallest evidence set
| Capture item | Why it matters for it |
|---|---|
| Decisive capture | physical-monitor handle, HMONITOR, VCP operation, monitor description, transport error and display-change events |
| Current graph state | HMONITOR-to-physical-monitor enumeration and DDC/CI transaction |
| Supporting trace | physical-monitor handle generation, monitor description, VCP feature, DDC/CI exchange and display-change timestamp |
| Object identity | Monitor Configuration API transaction |
| Rejected boundary | the MCA/DDC-CI layer failed internally while communicating with or interpreting the physical monitor |
Preserve the unsigned HRESULT, symbolic name, first failing API and timestamp in one record. If cleanup later fails too, keep that secondary result separately from this result.
A/B test for the exact condition
- Freeze the result generation. Record physical-monitor handle, HMONITOR, VCP operation, monitor description, transport error and display-change events. Before diagnosing this result, do not resize, hot-plug, recreate or release the object under examination.
- Run the narrow this result comparison. reacquire the physical monitor handle and issue a read-only capability query. During the result comparison, keep every driver, monitor, resource format and unrelated policy unchanged.
- Observe the layer after it. for it, if the exact check passes, record the next HRESULT or visible outcome. A different downstream result shows that the boundary was crossed.
- Repeat it through a lifecycle transition. for it, exercise one relevant resize, mode switch, device recreation, hot-plug or session change and confirm that it does not reuse stale handles.
The comparison with ERROR_GRAPHICS_DDCCI_INVALID_DATA is especially useful: ERROR_GRAPHICS_DDCCI_INVALID_DATA identifies malformed monitor protocol data more specifically. Recording both names prevents a broad “graphics error” label from merging distinct ownership, capability and lifetime problems.
Safe remediation
Re-enumerate the monitor and separate transport failure from unsupported VCP features. Repair of it is complete only when the original call succeeds or returns its documented nonfatal status and the same lifetime test remains correct after a second display transition.
- The result trace identifies one producing API and one current graphics object, rather than only the final UI symptom.
- The passing run changes exactly the condition described for it; unrelated adapter, monitor and application state remains unchanged.
- debug-layer, ETW or driver diagnostics no longer report the rejected Monitor Configuration API transaction contract during the same scenario.
- The application handles recurrence of it without an unbounded retry loop, leaked resource, duplicate composition target or stale topology handle.
Implementation notes
Log physical-monitor handle generation, monitor description, VCP feature, DDC/CI exchange and display-change timestamp. When the path returns a count, size, status flag or replacement object, retain it even on a nonfatal result because it can direct the next call.
A production fallback for it should be explicit: pause rendering, re-enumerate, rebuild one cache entry, recreate a device, or decline a protected path only when this layer calls for that action. Reinstalling every display component, deleting all caches or forcing a resolution change is not an evidence-based fix for it.
Technical references
- Microsoft: Using high-level monitor configuration functions — background for the Monitor Configuration API transaction boundary involved in it.
- Microsoft: High-level monitor configuration API
- Microsoft: GetMonitorCapabilities
- Microsoft: Graphics error codes
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