Cod Mw3 45 Fps Fix -

In 80% of cases, the 45 FPS lock in MW3 is caused by a conflict between Dynamic Resolution and V-Sync. The game tries to dynamically scale your resolution to save performance, but if it conflicts with your monitor's refresh rate, it gets stuck.

Step-by-step:

  • Find NVIDIA Reflex Low Latency. Set this to On + Boost.
  • Apply the changes. If the FPS jumps to 60, 75, or 100+, you are done. If it stays at 45, proceed.


    If you are playing on a gaming laptop with a 144Hz screen and an external 60Hz monitor, MW3 has a catastrophic bug: It locks to the lowest common denominator. cod mw3 45 fps fix

    Fix:


    | Problem | Fix Priority | |--------|--------------| | Windowed mode | 1. Fullscreen Exclusive | | NVIDIA Reflex | 2. Turn off “+ Boost” | | DRR in Windows | 3. Disable Dynamic Refresh Rate | | Config file lock | 4. Edit FrameRateLimit to 0 |

    Most users solve this in under 2 minutes with steps 1–3. For the rest, the config edit or driver rollback kills the 45 FPS curse for good. In 80% of cases, the 45 FPS lock


    🎮 Now go drop some kills without feeling like you’re wading through mud.

  • Back up the file:

  • Edit config_mp.cfg:

  • Disable frame limiting & V-Sync in game and drivers:

  • Disable Windows Game Mode/Fullscreen optimizations:

  • Launch the game and verify FPS:

  • If you land at 45 FPS, run this mental checklist: