What is D3D11-ERROR-FILE-NOT-FOUND?
Missing DirectX system library is a high-severity graphics API (DirectX) issue. The requested file (eg d3dx11_43.dll) was not found in the system. This can also stem from older game requiring DX9 components. Work through the steps below in order.
Common Causes
- Older game requiring DX9 components
- Deleted file
Step-by-Step Fix Guide
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1
Install DirectX End-User Runtime (June 2010)
Begin with Install DirectX End-User Runtime (June 2010); it's the step that resolves D3D11_ERROR_FILE_NOT_FOUND for the largest share of reported cases.
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2
Verify the game files
For cases that don't clear up right away, the remaining steps target less typical directx instability problems.
Commands & Diagnostics
sfc /scannow
Frequently Asked Questions
D3D11-ERROR-FILE-NOT-FOUND is most often triggered by older game requiring DX9 components. Other reports point to deleted file as contributing factors.
The fastest fix is "Install DirectX End-User Runtime (June 2010)". Only move on to the later steps if D3D11-ERROR-FILE-NOT-FOUND keeps coming back.
D3D11-ERROR-FILE-NOT-FOUND is a high-severity error. It won't damage your PC instantly, but repeated occurrences usually point to a deeper problem worth addressing soon.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
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