, and watched the telemetry counter. The numbers blurred past 45, climbing steadily into the triple digits. The ghost in the machine was gone. Jax leaned in, the game finally as fast as his reflexes. Show FPS & Ping in MW3 | Full Guide | Simple
| Problem | Fix Priority | |--------|--------------| | Windowed mode | 1. Fullscreen Exclusive | | NVIDIA Reflex | 2. Turn off “+ Boost” | | DRR in Windows | 3. Disable Dynamic Refresh Rate | | Config file lock | 4. Edit FrameRateLimit to 0 |
Use Fullscreen Exclusive rather than Borderless to ensure the OS prioritizes the game's rendering.
Locate the config file:
Add/override in players2/config.cfg :
Open (for single-player) or config_mp.cfg (for multiplayer) with Notepad.
Note: A true 45 FPS cap (exactly half of 90Hz) almost always points to a VSync or framerate limiter misconfiguration.