Disable the in-game overlay features in their respective settings menus.
Relaunch MW3. The game will automatically generate a brand-new, uncorrupted version of this file and rerun its hardware optimization. 4. Change GPU Power Management Settings
The original 2011 release of Modern Warfare 3 has a built-in that can cap your FPS based on your monitor’s current refresh rate or in-game V-Sync settings. This guide will provide detailed solutions for breaking through that cap, covering everything from simple setting adjustments to advanced configuration file tweaks, driver updates, and system optimizations.
The modern reboot includes detailed in-game limiters that might be misconfigured.
Fullscreen Exclusive grants the game direct control over your graphics card, bypassing Windows desktop manager limitations that frequently cause FPS caps. Re-evaluate Upscaling and Eco Mode Go to the tab under Graphics settings. cod mw3 45 fps fix
in the Windows Control Panel to prevent hardware downclocking during gameplay. Hardware Monitoring
Disable Windows Game Mode/Fullscreen optimizations:
Find and set it to your monitor's refresh rate or a higher value like 300 .
Windows features sometimes restrict hardware performance to save power or manage background applications. Enable Hardware-Accelerated GPU Scheduling (HAGS) Disable the in-game overlay features in their respective
: Ensure your "Custom Frame Rate Limit" in the in-game settings isn't inadvertently set to a low value. Setting it to "Unlimited" or matching it to your monitor's refresh rate is generally recommended. Upscaling & Sharpening FidelityFX CAS
Classic MW3 has built-in limits in its configuration files that sometimes default to low values like 40 or 45 FPS.
To help find the exact cause of your performance drop, tell me: What and processor do you use? Do you play via Steam or Battle.net ?
| Category | Recommended Setting | | :--- | :--- | | | Custom | | Render Resolution | 100 | | VRAM Scale Target | 80 (Lower to 70 if stutters occur) | | Upscaling/Sharpening | FidelityFX CAS | | Texture Resolution | Low | | Shadow Quality | Low or Normal | | Ambient Occlusion | Off | | Screen Space Reflections | Off | | Tessellation | Off or Near | The modern reboot includes detailed in-game limiters that
Here is a comprehensive, step-by-step guide to troubleshooting and fixing your low FPS in MW3.
"If MW3 is stuck at 45 FPS: set com_maxfps 0, disable Fullscreen Optimizations, and cap with RTSS instead of in-game. For persistent lock, try DXVK (single-player only)."
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Relaunch MW3 and wait at the main menu until the "Pre-loading Shaders" progress bar hits 100% before jumping into a match. 6. Disable Third-Party Overlays and Background Apps