Cod — Mw3 45 Fps Fix

  • Back up the file:

  • Edit config_mp.cfg:

  • Disable frame limiting & V-Sync in game and drivers: cod mw3 45 fps fix

  • Disable Windows Game Mode/Fullscreen optimizations:

  • Launch the game and verify FPS:

    • 45 FPS is almost always half of 90Hz or half of 90 FPS limit.
    MW3 has a known bug where:

    You have a high-refresh monitor. Your PC ran Modern Warfare 2 at 144+ FPS. But suddenly, Modern Warfare 3 feels sluggish, stuck around 45 FPS no matter what graphics settings you change. Back up the file:

    You’re not alone. This isn’t a “your GPU is weak” problem. It’s a bug. Let’s fix it.