Hello Tuan-Anh
Perhaps https://www.minitool.com/news/windows-10-keyboard-lag.html Method 2: Adjust Filter Keys Setting If it is enabled, it may slow down the input of brief or repeated keys and also may not notice the keystrokes that happen continuously. So, turning it off may fix the issue of keyboard input lag. Head to Settings > Ease of Access. Click Keyboard and turn off the Filter Keys feature.