1
Verify the likely cause
Test matched refresh rates, disable MPO through the documented registry setting and update both GPU driver and monitor firmware.
FULL AI ANALYSIS
NVIDIA driver resets when two monitors use different refresh rates
Generated Sep 8, 2026, 11:54:26 PM
Analysis summary
The reported behaviour is consistent with multi-plane overlay timing becomes unstable across displays with mismatched refresh rates. The safest next step is to verify that hypothesis with a reversible test before making permanent configuration changes.
Possible causes
Multi-plane overlay timing becomes unstable across displays with mismatched refresh rates.
84%A recent software, firmware or configuration change is exposing an existing compatibility issue.
40%Suggested fixes
2
Validate and monitor
Reproduce the issue once after the change, review relevant logs or metrics, and keep a rollback path until the system has remained stable.