Fix !!link!! - Cod Mw3 45 Fps

Even with GSync/FreeSync off, the game sometimes forces VRR.

Windows features sometimes restrict hardware performance to save power or manage background applications. Enable Hardware-Accelerated GPU Scheduling (HAGS)

Set to unlimited or higher than your monitor's refresh rate.

Change your to Exclusive Fullscreen . (Windowed or Borderless modes often lock your frame rate to background Windows processes).

Install the new driver using the "Express" or "Clean Install" option. 4. Fix Overlay and Background App Conflicts cod mw3 45 fps fix

Use Display Driver Uninstaller (DDU) in Windows Safe Mode to completely wipe old driver files.

V-Sync synchronizes your frame rate with your monitor's refresh rate, but it can often introduce input lag and cap frames unexpectedly. Turn V-Sync OFF in the Graphics settings.

Windows Settings > Gaming > Xbox Game Bar (Turn Off). 5. Update and Clean Install Graphics Drivers

Call of Duty: Modern Warfare 3 (MW3) demands fast reflexes and fluid frame rates. Locking or dropping to 45 FPS disrupts your gameplay, aiming precision, and competitive edge. This comprehensive troubleshooting guide provides actionable solutions to eliminate the 45 FPS cap and restore smooth performance. 1. Optimize In-Game Video Settings Even with GSync/FreeSync off, the game sometimes forces VRR

If the game thinks your monitor is running at 90Hz (instead of 144Hz or 240Hz), it will cap FPS to half that rate. Sometimes Windows Update resets your refresh rate.

Open the game. MW3 will generate a fresh config file with default settings, removing any hidden performance caps. 5. Disable Conflicting Background Overlays

If you’re stuck at exactly while playing Call of Duty: Modern Warfare 3 , you’re likely dealing with a specific technical restriction rather than a hardware limitation.

If you are still stuck at 45 FPS after all six phases, your Windows installation likely has corrupted DirectX 12 drivers. Run a in Command Prompt as Administrator, followed by a clean install of your GPU drivers using Display Driver Uninstaller (DDU) in Safe Mode. Change your to Exclusive Fullscreen

Set this strictly to 100 . Going higher supersamples the game, drastically lowering performance.

If using a G-Sync or FreeSync monitor, ensure your current in-game FPS does not sit right at a sub-harmonic frequency of your refresh rate. 3. Clear and Reinstall Shader Cache

If your frame rate is consistently hitting a low ceiling like 45 FPS, it is often a software-level lock or a hardware feature conflict: Disable Resizable Bar / SAM

Within MW3 settings, ensure you are not using a “Quality” mode that caps frames in favor of resolution. Summary Checklist to Fix MW3 45 FPS Full Screen Exclusive V-Sync Frame Rate Limit Eco Mode Texture Quality Normal/Low SSR/Shadows