DirectX · high

How to fixD3D_COMPILER_ERROR

Failed to compile HLSL shader

What this error means

Failed to compile HLSL shader is a high-severity graphics API (DirectX) issue. The driver failed to compile the shader program for the graphics card. It sometimes comes down to unreadable game files. The steps below are ordered to resolve this efficiently.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 2 complete
01Clean the Shader Cache with Disk Cleanup
  1. Clean the Shader Cache with Disk Cleanup
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
02Use DDU to install the new driver
  1. Use DDU to install the new driver
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Corrupt shader cache
  • GPU driver error
  • Unreadable game files