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Warhammer 40,000: Space Marine 2
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💥Crash or Low Performance

How to Fix Space Marine 2 Low FPS and Stuttering (PC)

If Space Marine 2 runs but the frame rate drops in heavy fights, stutters as you move through a level, or turns menus into a slideshow, work through the steps below in order. They start with the fastest fix and end with the one that takes the longest. If you have not tried the checks on the main crash page yet, start there: → How to Fix Space Marine 2 Crashing

1. Disconnect extra devices and controllers
Conflicting USB drivers cause input stutter that appears to be a frame rate issue. Unplug VR headsets, steering wheels, flight sticks, secondary controllers and external drives, leave only your mouse and keyboard connected, and check whether the issue persists.

2. Clean-install your graphics drivers
Installing a new driver over an old one often leaves the problem in place. NVIDIA: download the latest driver from nvidia.com and choose Custom (Advanced) → Perform a clean installation. AMD: run the AMD Cleanup Utility first, restart, then install the latest Adrenalin driver. Restart your PC after the install.

3. Perform a clean boot
A clean boot starts Windows with only Microsoft services, so you can tell whether background software is eating your performance. Press Win + R, type msconfig → Services tab → check Hide all Microsoft services → Disable all → Startup tab → Open Task Manager → disable every entry → restart your PC and play a mission. If the frame rate recovers, re-enable your startup programs a few at a time to find the one responsible.

4. Reinstall the game
A reinstall replaces every game file, including ones a verification pass cannot repair. Your progress is stored on your account and in cloud saves, not in the game files. Uninstall through your storefront, delete any leftover files in the installation folder, then reinstall.

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