If you’re on a laptop or using a TV, ensure your Windows refresh rate matches your monitor’s actual Hz in Display Settings 3. NVIDIA/AMD Control Panel Cleanup Check if a global limit is overwriting your game settings. NVIDIA Control Panel > Manage 3D Settings > Program Settings > Select Call of Duty Max Frame Rate Radeon Chill Frame Rate Target Control (FRTC) is enabled in the Adrenalin software and toggle it off. 4. Toggle "Resizable Bar" (NVIDIA) or "SAM" (AMD) Some users reported that disabling Resizable Bar in the BIOS (for NVIDIA) or Smart Access Memory (for AMD) immediately unlocked their frames. 5. Reset Your Shader Cache Corrupt shaders can cause "ghost" caps. In-game, go to Restart Shader Optimization
Follow these troubleshooting steps in order to eliminate the frame restriction. 1. Disable Eco Mode Preset
MW3 features power-saving options. Set Eco Mode Preset to Off or Custom to ensure your hardware runs at maximum capacity. 2. Modify Graphics Card Control Panels cod mw3 45 fps fix
is stuck at exactly 45 (or 40-60) FPS despite having a high-end rig, you aren’t alone. This is usually a software-level lock, not a hardware limitation. 1. Check "Eco Mode" Settings
Use Display Driver Uninstaller (DDU) in Windows Safe Mode to completely wipe old driver remnants before installing the new package. To help pinpoint why your frame rate is locked, tell me: What graphics card and monitor refresh rate are you using? If you’re on a laptop or using a
Optimizing your in-game settings can significantly reduce the load on your CPU and GPU. Here are the key settings to adjust for a major FPS boost.
Turn off VSync (Gameplay) and VSync (Menus) , as these can sometimes lock your frame rate to a fraction of your monitor's refresh rate if performance dips. 2. Adjust Windows & Driver Settings Reset Your Shader Cache Corrupt shaders can cause
45 FPS is almost always or half of 90 FPS limit . MW3 has a known bug where:
Take a moment to observe your FPS counter. Is it rock-solid or is it bouncing around? Your answer will guide you.
| GPU | Expected FPS (1080p, Low/Med) | At 45 FPS, suspect | | :--- | :--- | :--- | | GTX 1060 / RX 580 | 60–80 | VSync or render resolution | | RTX 2060 / RX 5600 XT | 90–110 | Driver or power saving | | RTX 3060 / RX 6600 | 130–150 | VRAM limit or thermal | | RTX 3080 / RX 6800 XT | 180–220 | Half-rate VSync only |