For a more permanent fix on Windows 10/11, you can modify the game's internal configuration files.
(For AMD/Intel GPUs with broken OpenGL fallbacks) Download dxvk-2.x.tar.gz → place d3d9.dll + dxgi.dll next to .exe . This replaces DirectX 9 calls with Vulkan, often removing 45 FPS lock. cod mw3 45 fps fix
: Preset Eco Modes can hard-cap frame rates to save energy, often at numbers like 30, 45, or 60 FPS. 2. Adjust BIOS Features (Nvidia/AMD) For a more permanent fix on Windows 10/11,