Most router tweaks don’t help. These settings do: queue management under load, stable Wi-Fi behavior, and avoiding features that add latency or instability.
Many displays ship with processing that looks ‘nice’ in movies but breaks gaming: added latency, artifacts, and instability. Here’s the short list to disable and why.
Auto audio modes can change your cues mid-session. Learn how console audio modes interact with games and headsets, and how to lock a stable mode for readable direction.