What is IOMMU and how can I enable it?

IOMMU is a hardware-level security feature that helps your operating system control how hardware devices access system memory. Some competitive experiences require IOMMU to be enabled to meet security requirements.

Caution: If you are not familiar or comfortable navigating your computer’s BIOS, contact a qualified professional for help. Incorrect BIOS changes can cause startup or hardware issues.

How to enable IOMMU

The exact steps to enable IOMMU vary by motherboard and processor. Use the steps below to identify your system details, then follow your manufacturer’s instructions.

  1. Press Windows key + R.
  2. Type msinfo32, then press Enter.
  3. In System Summary, note the following details:
    • Your motherboard brand, which may appear as BaseBoard Manufacturer.
    • Your processor model.
  4. Visit your motherboard manufacturer’s support site and follow their BIOS instructions to enable IOMMU.