Nvidia Overlay Lag
Posting in case this helps others when i installed genshin impact on my laptop it would run perfectly in windowed mode but lag terribly while set to fullscreen.
Nvidia overlay lag. Third party services some problems may temporarily interfere with nvidia overlay so make sure you disable them for a while. Turns out it was the nvidia geforce experience overlay that was causing the issue. Basically your system just can t produce enough frames per second fps to make everything feel nice and smooth. The issue and fix is pretty simple.
The granddaddy of all lag this is the result of a general slowdown in graphics and is a common occurrence for any gamer. Please see if that helps. Nvidia and amd drivers do provide additional settings that can be enabled to reduce the input lag in games. Nvidia geforce experience overlay to be disabled nvidia users only the nvidia geforce experience overlay comes with a lot of nvidia servcies which increases the cpu usage which could have an impact on the performance of a game.
Hope it works for you. When i uninstalled that the issue was gone. Many users have reported that installing the latest drivers managed to resolve the problem for them. Start nvidia geforce experience.
However stop restart of nvidia experience overlay was a permanent fix no need for a video to play in the background. In nvidia it is the ultra low latency mode that is based on the maximum pre rendered frame functionality used in the older drivers and in amd it is radeon anti lag that helps to lower input lag in games. Hence turning it off would give you a smoother experience.