How to Install a BIOS Update on an MSI Motherboard

Updating the BIOS on an MSI motherboard is one of those tasks that sounds intimidating but follows a well-defined process. Done correctly, it can unlock new CPU compatibility, fix stability bugs, and improve hardware performance. Done carelessly, it can leave a motherboard unbootable. Understanding exactly what's involved — and where the variables lie — helps you approach it with the right level of care.

What a BIOS Update Actually Does

The BIOS (Basic Input/Output System) — or more accurately on modern boards, the UEFI firmware — is the low-level software that initializes your hardware before any operating system loads. MSI releases BIOS updates to:

• Add support for new CPU generations
• Fix memory compatibility or stability issues
• Patch security vulnerabilities
• Improve power delivery behavior or overclocking headroom
• Resolve POST errors or boot failures

Unlike a Windows driver update, a BIOS update rewrites firmware directly on the motherboard chip. There's no "undo" mid-process.

The Three Main Methods MSI Supports

MSI provides multiple update paths depending on your setup and comfort level.

1. M-FLASH (Built Into BIOS)

This is the most widely used method and works entirely within the BIOS environment — no operating system required.

Steps:

1. Download the correct BIOS file from MSI's official support page by searching your exact motherboard model
2. Extract the downloaded ZIP — the BIOS file typically has a .190, .E7xxx, or similar extension depending on your board series
3. Copy only the BIOS file (not the folder) to the root directory of a FAT32-formatted USB drive
4. Restart your PC and enter the BIOS by pressing Delete during POST
5. Navigate to M-FLASH (usually accessible from the main BIOS screen or the top menu)
6. Select your USB drive and choose the BIOS file
7. Confirm the update and wait — the process typically takes 3–10 minutes
8. The system will restart automatically when complete

⚠️ Do not power off, restart, or touch anything during the flash process.

2. MSI Center (Windows-Based)

MSI Center is the official software suite for MSI systems. It includes a Live Update feature that can detect and install BIOS updates from within Windows.

Steps:

1. Install MSI Center from the Microsoft Store or MSI's website
2. Open the app and navigate to Support → Live Update
3. Scan for available updates — if a BIOS update is listed, you can install it from here
4. The tool will handle the download, restart into a flash environment, and complete the update

This method is convenient but carries slightly more risk than M-FLASH because it depends on Windows being stable throughout the process. It's generally fine on healthy systems.

3. Flash BIOS Button (Specific Boards Only)

Some mid-range and high-end MSI motherboards include a dedicated Flash BIOS button on the rear I/O panel. This method allows flashing without a CPU, RAM, or GPU installed — useful for updating before installing a new processor that isn't yet supported.

Steps:

1. Place the BIOS file on a FAT32 USB drive (root directory, renamed according to your board's manual — often MSI.ROM)
2. Plug the USB into the designated Flash BIOS USB port (usually labeled or marked in red)
3. Connect power to the motherboard
4. Press and hold the Flash BIOS button for a few seconds
5. A LED indicator will blink during the flash and stop when complete

Check your specific motherboard manual for exact button location and file naming requirements — this varies across models.

Key Variables That Affect the Process 🔍

Not every MSI BIOS update goes identically. Several factors shape the experience:

Finding the Right BIOS Version

MSI lists all available BIOS versions for each board on their support page, along with changelogs. Before updating, it's worth reading what each version actually changes. If your system is running stably and you don't need the new features or CPU support in an update, there's no obligation to flash every release.

If you do need to update for CPU compatibility, always verify whether your board requires a sequential update path — meaning you can't skip from version 1.0 directly to version 3.0 without flashing an intermediate version first. MSI's release notes typically flag this.

What Can Go Wrong — and How to Reduce Risk

Failed flash / brick: This is rare but possible. Boards with the Flash BIOS button can often recover without sending the board in for service. Boards without it may require a chip re-programmer or RMA.

Wrong file flashed: Double-check the model number printed on your motherboard against the MSI support page. Model names like B550M Pro-VDH and B550M Pro-VDH WiFi are different boards with different BIOS files.

Settings reset: A BIOS update typically resets all BIOS settings to default — XMP/EXPO memory profiles, fan curves, boot order, and any overclocking settings will need to be reconfigured afterward.

How Technical Skill Level Shapes the Right Approach

For users who are comfortable in the BIOS interface and have done system maintenance before, M-FLASH offers the most control and the fewest dependencies. For users who prefer a guided, software-driven process, MSI Center's Live Update reduces the number of manual steps. For users building a new system around a CPU that isn't yet supported by the installed BIOS, the Flash BIOS button method (where available) is the only practical option.

Your motherboard model, whether a new CPU is involved, and your familiarity with BIOS navigation are ultimately what determine which path makes the most sense for your specific situation.