Intel CPU microcode update failure

What is INTEL-MICROCODE-UPDATE-FAIL?

The INTEL-MICROCODE-UPDATE-FAIL error occurs when the system BIOS attempts to load a CPU microcode patch and fails. Intel releases microcode updates to fix CPU errata, security vulnerabilities (Spectre, Meltdown, Downfall), and stability bugs. A failed microcode load leaves the processor operating with known silicon bugs active.

Common Causes

• Outdated BIOS without microcode support
• Corrupted microcode file
• CPU generation mismatch

Step-by-Step Fix Guide

• 1
  Update motherboard BIOS to latest version

  Updating BIOS is the primary resolution — all modern BIOS updates include the latest microcode packages.

• 2
  Verify CPU is on motherboard's supported CPU list

  Check manufacturer QVL lists if CPU compatibility is uncertain.

• 3
  Contact motherboard manufacturer

Commands & Diagnostics