Cod Mw3 45 Fps Fix May 2026

How to Fix the 45 FPS Cap in Call of Duty: Modern Warfare 3 Experiencing a hard lock at 45 FPS in Call of Duty: Modern Warfare 3 (MW3) can be frustrating, especially when your hardware is capable of much more. This issue often stems from specific in-game limiters, outdated drivers, or hidden Windows power constraints. 1. Disable In-Game Frame Rate Limiters

Fixing the 45 FPS Cap

1. Disconnect your external monitor.
2. Launch MW3. Confirm you get 100+ FPS on the laptop screen.
3. Then reconnect the external monitor. The FPS lock usually stays lifted.
4. Alternatively, set both displays to the exact same refresh rate (e.g., both 120Hz).

Call of Duty: Modern Warfare 3 45 FPS Fix: A Comprehensive Guide cod mw3 45 fps fix

❓ Why 45 specifically?

45 FPS is almost always half of 90Hz or half of 90 FPS limit.
MW3 has a known bug where: How to Fix the 45 FPS Cap in

Now get back on the map, and enjoy your buttery-smooth 144+ FPS. Disconnect your external monitor

1. The V-Sync Factor: Modern Warfare III defaults to "Vertical Sync: On" or "Custom" in the graphics settings for many configurations.
2. The Window Mode Conflict: When running in Borderless Windowed mode, the Windows Operating System forces the game to align its frame presentation with the Desktop Window Manager (DWM).
3. The Hybrid Lock: If the game attempts to apply V-Sync while Windows is also managing the window composition, the two synchronization signals can desync. The game engine incorrectly calculates a safe presentation interval, often resulting in a "half-refresh" lock or a fallback value of 45 FPS to prevent screen tearing without causing full application crashes.