1. Establish a baseline
Restart, use stock clocks, note game and driver versions, and reproduce the issue in the same scene.
Repeatable diagnosis before random config edits.
Restart, use stock clocks, note game and driver versions, and reproduce the issue in the same scene.
Check resolution scale, ray tracing, shadows, volumetrics and background load. Compare GPU utilization and CPU frametime before lowering everything.
Retest after each change. Preserve screenshots of settings and revert changes that do not help.
Use official support with crash logs, exact hardware, temperatures, patch version and reproduction steps.