Updating BIOS used to be a high-stakes operation. A power flicker or interrupted write could leave your motherboard as an expensive paperweight. Modern boards have made the process much safer, but it still pays to do it carefully. Here’s how to update BIOS without anything going wrong.

When you should update

You don’t need to chase every BIOS release. Update when:

  • You’re installing a newer CPU that requires a BIOS version your current one doesn’t support.
  • You’re experiencing weird stability issues that BIOS notes mention as fixed.
  • RAM compatibility is broken for kits the board should support.
  • A major security vulnerability is patched.
  • You’re starting fresh with a new build and want the latest stable version.

You should NOT update for the sake of it. If your system is stable and working, leave it alone. New BIOS versions sometimes introduce new bugs.

Identify your exact board model

The first and most important step. Open Windows and run:

  1. Press Windows + R, type cmd, hit Enter.
  2. Type: wmic baseboard get product,manufacturer
  3. Note the exact name shown.

Or look at the silkscreen on the motherboard itself between the PCIe slots — there’s usually a model name and revision printed there.

Boards with the same name can have different revisions (Rev 1.0 vs Rev 2.0, etc.) — they sometimes use different BIOS files. Get the right one.

Check your current BIOS version

  1. Reboot into UEFI (Delete key during boot).
  2. The main page usually shows the current BIOS version.
  3. Or in Windows: wmic bios get smbiosbiosversion

Compare with the latest available on the manufacturer’s site.

Download from the OFFICIAL site only

Never download BIOS files from third-party sites or forums. Always go to:

  • ASUS: asus.com → Support → enter model
  • MSI: msi.com → Support → enter model
  • Gigabyte: gigabyte.com → Support → enter model
  • ASRock: asrock.com → Support → enter model

Download the latest stable BIOS for your exact revision.

Read the release notes

Some BIOS updates require an intermediate version first. For example, “Cannot update from BIOS 1.x to 3.x directly; flash 2.20 first.”

The release notes also tell you what’s fixed or added — sometimes there’s a reason to skip a version with known issues.

Choose your method

Modern boards usually support three update methods. Best to worst:

1. USB Flashback / Q-Flash Plus / BIOS Flashback (recommended)

This method writes the BIOS straight from a USB stick using a dedicated chip on the board, without booting the system. It works even with no CPU or RAM installed.