Fortnite dxgkrnl.sys blue screen after an update: what to check first

Treat dxgkrnl.sys as a Windows graphics-stack crash, not as proof that one Fortnite patch broke every PC. Start with low-risk checks: reboot, install pending Windows updates, install the current GPU driver from NVIDIA, AMD, or Intel, and test once with overlays or recording tools disabled.

If the crash continues, clear the DirectX Shader Cache with Windows Disk Cleanup, verify the game files again, and test a lower-risk rendering mode such as DirectX 11 or Performance Mode if available. Do not reinstall Windows or run driver-cleaner tools as the first move.

Open Terminal or PowerShell as administrator and run:

sfc /scannow

If Windows reports repaired files, restart before testing again. If the blue screen returns, test a lower-risk graphics mode in the game, such as DirectX 11 or Performance Mode if available.

Attach only the parts that help diagnose the problem: the final sfc /scannow result, the Fortnite video mode, and the latest blue-screen/error photo if it appears again. Hide account names, serial numbers, and anything private.

Split the game setting from the PC problem before reinstalling anything.

1. Press Win + X, open Terminal or PowerShell as administrator, paste sfc /scannow, and wait until it finishes. Do not close the window halfway.
2. In Fortnite, open Settings → Video and test a safer rendering mode such as DirectX 11 or Performance Mode for one match or replay section.
3. Open Task Manager → Performance while the game is running and watch GPU temperature/load if your driver panel shows it. If the whole PC becomes unstable, stop treating it as a Fortnite-only issue.

What to attach: the final sfc /scannow result, Fortnite video mode, and the latest blue-screen/error photo if it appears again.

Do not do this yet: do not reinstall Windows or run driver-cleaner tools before the basic Windows repair and rendering-mode split test.

If crashes come with high GPU or CPU temperatures, sudden shutdowns, power spikes, or instability in several games, stop treating it as a single-game bug. Check temperatures, power supply age, GPU power cables, and whether the system is generally healthy.

For a clean follow-up, include CPU, GPU, RAM, Windows version, GPU driver version, crash timing, and whether Event Viewer records the same error each time. If you do not know the specs, start with our guide to checking PC specs in Windows.