Why Are My Games Running Slow All of a Sudden?

Gaming on Windows PCs has become increasingly popular, with Microsoft actively supporting the platform. However, users often encounter issues such as game stuttering and FPS drops, which can significantly hinder the gaming experience. This article delves into the causes and potential solutions for these problems, providing a comprehensive guide to resolving game stuttering and FPS drops in Windows 11/10.

Understanding Game Stuttering and FPS Drops

Game stuttering refers to sudden changes in the content displayed on the screen, often caused by delays in rendering frames. This can occur for various reasons, including slow GPU rendering, skipped frames, or driver issues. FPS (Frames Per Second) measures the rate at which consecutive frames appear on the display. Higher FPS values indicate smoother gameplay, particularly for fast-paced games.

Causes of Game Stuttering and FPS Drops

Several factors can contribute to game stuttering and FPS drops in Windows 11/10:

  1. Outdated Graphics Drivers: Outdated or corrupted graphics drivers can lead to compatibility issues and performance degradation.
  2. Hardware Limitations: Insufficient system resources, such as low RAM or a weak graphics card, can hinder gaming performance.
  3. Background Processes: Resource-intensive applications running in the background can compete with games for system resources, causing performance issues.
  4. Windows Updates: Certain Windows updates may introduce compatibility issues with games or graphics drivers, leading to stuttering and FPS drops.
  5. Game Settings: Improper game settings, such as high-resolution textures or demanding graphics options, can exceed the system’s capabilities, resulting in performance issues.

Solutions for Game Stuttering and FPS Drops

  1. Update Graphics Drivers: Regularly update your graphics drivers to ensure compatibility with the latest games and Windows updates.
  2. Optimize Game Settings: Adjust game settings to match your system’s capabilities. Lowering resolution, reducing graphics quality, and disabling unnecessary features can improve performance.
  3. Close Background Applications: Close unnecessary applications and background processes to free up system resources for gaming.
  4. Disable Game Mode: Disable Windows’ Game Mode, as it may interfere with certain games and cause performance issues.
  5. Enable Vsync: Enable Vsync in your graphics control panel to synchronize the frame rate with your monitor’s refresh rate, reducing screen tearing and improving smoothness.
  6. Use Maximum Performance Power Plan: Select the “Maximum Performance” power plan in Windows to prioritize performance over power saving.
  7. Reinstall Games: Reinstalling games can resolve issues caused by corrupted game files or incorrect installations.
  8. Disable Fullscreen Optimizations: Disable fullscreen optimizations for games that experience stuttering or FPS drops.
  9. Disable Diagtrack Service: Disable the Diagtrack service, which can consume system resources and impact gaming performance.
  10. Disable Antivirus Software: Temporarily disable antivirus software while gaming to eliminate potential performance interference.
  11. Run System File Checker: Use the System File Checker (SFC) tool to scan and repair corrupted system files that may affect gaming performance.
  12. Reduce PC Resolution: Lower the PC’s resolution to reduce the graphical load and improve performance.
  13. Disable Intel Turbo Boost: Disable Intel Turbo Boost to prevent performance fluctuations and ensure consistent frame rates.


Game stuttering and FPS drops in Windows 11/10 can be caused by various factors, including outdated drivers, hardware limitations, background processes, Windows updates, and improper game settings. By following the solutions outlined in this article, you can effectively resolve these issues and enjoy a smoother, more immersive gaming experience.


Why are my games suddenly running slow?

Slow game performance can be caused by outdated graphics drivers, demanding game settings, insufficient system resources, background processes, or Windows updates.

How can I fix game stuttering and FPS drops?

Update graphics drivers, optimize game settings, close background applications, disable Game Mode, enable Vsync, use the Maximum Performance power plan, reinstall games, disable fullscreen optimizations, disable the Diagtrack service, disable antivirus software, run System File Checker, reduce PC resolution, or disable Intel Turbo Boost.

Why are my games lagging after a Windows update?

Windows updates may introduce compatibility issues with games or graphics drivers, leading to performance problems. Try updating your graphics drivers or rolling back the Windows update to resolve the issue.

What should I do if my games are running slowly despite having a powerful graphics card?

Ensure that your graphics card drivers are up to date. Additionally, check that your system meets the minimum requirements for the games you are playing. Close unnecessary background applications and disable demanding game settings to improve performance.

Why do my games stutter when I play online?

Game stuttering during online play can be caused by high latency or packet loss. Check your internet connection for stability issues and ensure that your router is configured correctly. Additionally, try using a wired connection instead of Wi-Fi for a more stable connection.

What is Vsync, and how does it affect gaming performance?

Vsync synchronizes the frame rate of a game with the refresh rate of your monitor. This can reduce screen tearing but may introduce input lag. Experiment with enabling and disabling Vsync to find the optimal setting for your system.

Why do my games run slowly on my laptop?

Laptops typically have less powerful graphics cards compared to desktop computers. Additionally, laptops often prioritize battery life over performance. Ensure that your laptop is plugged into a power source and that you are using the high-performance power plan to maximize gaming performance.

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