How To Fix Fps Drops In Fortnite (fix Lag In Fo... Apr 2026

Turn VSync Off and set NVIDIA Reflex to On + Boost . 2. Windows & Hardware Optimization

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Corrupted shaders from recent patches (like the February 2026 update) are a primary cause of stuttering. Use Disk Cleanup to delete "DirectX Shader Cache" or manually clear the NVIDIA DXCache folder in %localappdata% . Turn VSync Off and set NVIDIA Reflex to On + Boost

Set Window Mode to Fullscreen (never Borderless Windowed) for the lowest input delay. How To Fix FPS Drops in Fortnite (Fix Lag in Fo...

Ensure Windows is set to High Performance or Ultimate Performance to prevent CPU throttling.

The single most effective change is switching your to Performance - Lower Graphical Fidelity . This can nearly double FPS on budget systems.