Cod Mw3 45 Fps Fix -
If you are experiencing a hard lock at 45 frames per second (or sometimes 30/40 FPS), you are not alone. This specific issue has plagued the Call of Duty engine since the Warzone 1.0 days. Unlike general FPS drops (which fluctuate), a indicates a specific software conflict, a rendering bottleneck, or a deliberate (but bugged) game setting.
Check your NVIDIA Control Panel or AMD Software under "Manage 3D Settings" to ensure "Max Frame Rate" isn't accidentally set to 45. cod mw3 45 fps fix
If the in-game menus didn't work, the game's config file ( options.4.cod23.cst ) has likely corrupted the renderer worker count—a known bug in Season 3+ updates. If you are experiencing a hard lock at
is set to a higher value, such as "0" (unlimited) or your monitor's refresh rate (e.g., "144"). Disable Fullscreen Optimizations : Right-click the MW3 executable file, go to Properties Compatibility , and check the box for "Disable fullscreen optimizations" Adjust BIOS Features : Some players find that turning off Resizable BAR (NVIDIA) or Smart Access Memory (SAM) Check your NVIDIA Control Panel or AMD Software
