This feature is designed to ignore brief or repeated keystrokes, which is the exact opposite of what you want in gaming. Go to Settings > Accessibility > Keyboard and ensure Filter Keys and Sticky Keys are toggled off.
The polling rate (measured in Hz) is how often your keyboard reports its state to your PC. How To Lower Keyboard Input Delay in ALL GAMES!...
How to Lower Keyboard Input Delay in ALL Games Input delay (or latency) can be the difference between a clutch play and a total wipe. Whether you’re playing Fortnite , Valorant , or Apex Legends , minimizing the time between your finger hitting a key and your character reacting on screen is crucial. This feature is designed to ignore brief or