Cod Mw3 45 Fps Fix -

Mismatched refresh rates within the game settings frequently cause the 45 FPS lock.

Switch from Fullscreen Borderless to Exclusive Fullscreen . This gives MW3 direct control over your monitor's refresh rate.

Follow these troubleshooting steps in order to eliminate the frame restriction. 1. Disable Eco Mode Preset

Windows Defender might be heavily scanning game files in real-time, causing consistent frame drops in 2026 versions of Windows, according to a recent YouTube optimization guide. Search for in your start menu. Go to Virus & threat protection > Manage settings . Turn Real-time protection to OFF . Note: Remember to turn this back on when not playing. 3. GPU Driver and Re-Bar Fix cod mw3 45 fps fix

If you can tell me your and GPU specs, I can help give you more specific settings for your hardware. Would you also like a guide on how to reduce packet burst , which can feel like low FPS? AI responses may include mistakes. Learn more COD: Modern Warfare 3 Lag Fix and FPS Boost 2026

Did this issue start after a or driver installation ? Does this 45 FPS lock happen in menus, gameplay, or both ? I can provide tailored steps for your exact PC build. Share public link

and set it to around 80–100 to improve visibility and performance. Display Mode : Always use Fullscreen Exclusive Mismatched refresh rates within the game settings frequently

Search for "Game Mode Settings" in Windows and turn it ON .

The 45 FPS cap in Modern Warfare 3 can be frustrating, but it's not a permanent limitation. By trying out the methods outlined in this article, players should be able to fix the issue and enjoy a smoother gaming experience. Remember to always keep your graphics drivers up to date and adjust your graphics settings to optimize performance. If you're still experiencing issues, consider seeking help from the game's community or support team.

Close MW3 and the Steam/other launcher completely. Follow these troubleshooting steps in order to eliminate

Go to Settings > Graphics > Display and set Sync Every Frame to Off . 2. Check for External FPS Caps

Some community resources also recommend modifying parameters like r_mode to support custom resolutions, though this is less critical for a simple FPS unlock.

The modern reboot includes detailed in-game limiters that might be misconfigured.