Users must verify that their GPU supports DirectX 11. Tools like the "dxdiag" utility (DirectX Diagnostic Tool) allow users to view the "Feature Levels" supported by their hardware. If the hardware does not support the required level, no software fix exists; hardware upgrades are necessary.
If you tried all 10 fixes and still get the error, the issue may be hardware-related but rarely fatal. failed to initialize graphics backend for d3d11