You have a high-refresh monitor. Your PC ran Modern Warfare 2 at 144+ FPS. But suddenly, Modern Warfare 3 feels sluggish, stuck around no matter what graphics settings you change.
To unlock your frame rate and stabilize performance, try the following solutions:
Change your settings from Windowed or Borderless Windowed to Fullscreen Exclusive . Borderless modes often force the game to sync with your desktop refresh rate or introduce Windows-level caps.
Now get back on the map, and enjoy your buttery-smooth 144+ FPS. cod mw3 45 fps fix
: Users have reported that certain antivirus software, specifically Bitdefender , can cap MW3 at 45 FPS. Temporarily disabling or white-listing the game may resolve the issue.
Download the latest driver package directly from the or AMD official websites.
Experiencing a hard 45 FPS limit or sudden performance drops in Call of Duty: Modern Warfare 3 disrupts fast-paced gameplay. This issue typically stems from improper display settings, outdated graphics drivers, conflicting overlay software, or corrupted shaders. You have a high-refresh monitor
In Steam, right-click the game > Properties > General > Launch Options , and type -refresh 60 (or your monitor's rate) to force a higher refresh lock. For MW3 (2023 Version)
MW3 features power-saving options. Set Eco Mode Preset to Off or Custom to ensure your hardware runs at maximum capacity. 2. Modify Graphics Card Control Panels
: In-game settings often default to VSync, which can lock your frame rate to a fraction of your monitor's refresh rate. Turning this Off in the video options is the most common fix for immediate frame rate increases. To unlock your frame rate and stabilize performance,
Windows 11 automatically lowers refresh rate on some laptops/desktops to save power.
Install the newly downloaded graphics driver using the "Express" or "Clean Install" option.