Disabling this often immediately unlocks your frame rate, though it may introduce some screen tearing. 2. Edit the Config File (For Classic MW3)
Navigate to the game’s installation folder, usually under players .
Ensure Radeon Chill or Frame Rate Target Control is disabled in the AMD Software . 4. Address Windows 10/11 Optimizations cod mw3 45 fps fix
Open the Nvidia Control Panel , go to Manage 3D Settings , and ensure Max Frame Rate is set to "Off" or your desired limit.
Classic MW3 has built-in limits in its configuration files that sometimes default to low values like 40 or 45 FPS. Disabling this often immediately unlocks your frame rate,
Search for the line seta com_maxfps . If it’s not there, you can create it.
If you are on a laptop, check the GeForce Experience settings. Whisper Mode is known to cap games at 40 or 45 FPS to keep fans quiet. Ensure Radeon Chill or Frame Rate Target Control
The original MW3 was optimized for Windows 7. On newer versions of Windows, this can cause a performance "crippling" effect where FPS is halved.