If the framerate is too low to navigate menus effectively, or if the settings revert upon restart, a manual config file edit is required.
: Set your PC power plan to "High Performance" or "Ultimate Performance" in the Control Panel. 3. Update or Clean Install GPU Drivers
Scroll to and set it to Use the 3D application setting . Change Power Management Mode to Prefer maximum performance . For AMD Users Open AMD Software: Adrenalin Edition . Navigate to Gaming and select MW3 . Disable AMD Radeon Chill , which limits FPS to save power. Disable Radeon Enhanced Sync . 4. Reset the Player Configuration File cod mw3 45 fps fix
Try these fixes in order and you'll be back in the action with a smooth, responsive experience. Good luck, and we'll see you on the battlefield!
A 45 FPS lock in Modern Warfare 3 is almost always solvable. The most common fix is simply disabling V-Sync and setting a custom framerate cap. If that doesn't work, the problem is either a hidden cap in your GPU software or a hardware bottleneck caused by high graphics settings. If the framerate is too low to navigate
Launch MW3. The game will recreate the file with default factory settings. 5. Disable Conflicting Overlays and Background Apps
To fix the issue where Call of Duty: Modern Warfare 3 (MW3) is locked at 45 FPS, you should primarily disable VSync (Sync Every Frame) in the game's video options and ensure your graphics drivers are updated Update or Clean Install GPU Drivers Scroll to
| 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 |
: For older versions of MW3, navigate to your "players" folder and locate config.cfg config_mp.cfg . Use a text editor to ensure seta com_maxfps