1% FPS Drops When Pressing Keyboard or Mouse - Micro Stuttering/Freezing/Lag

m1nuz

Member
I've been experiencing a frustrating issue where pressing any key on the keyboard or clicking the mouse causes significant stuttering and FPS drops. For example, if my game is running at 1% FPS stability, it will suddenly drop to around 50-100 FPS the moment I press a key.

I noticed this when I pressed Alt+R to open the NVIDIA overlay with performance stats. I have the 99% FPS displayed there, and I saw sudden drops from 200 FPS down to 50-100 FPS when I pressed the keys. I’m also experiencing the same issue in CS2.

I’ve attached a video showing the FPS graph from RivaTuner, where you can clearly see the spikes whenever I interact with the keyboard or mouse.

Has anyone else encountered a similar issue, or is this normal?
View attachment project8.exe 2025.01.11 - 22.48.09.03-00.01.07.533-00.01.41.032.mp4
 
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