10th-generation Intel processors (Comet Lake) and newer, running on the Z490 chipset, often require the latest microcode to work correctly with RAM and new CPUs. Motherboard MSI Z490 Gaming Edge WiFi It is a popular choice for gamers, but its stability directly depends on the software shell.
Updating the firmware fixes compatibility issues, improves overclocking stability, and adds support for newer processor models. Ignoring this step may result in the system not recognizing the installed RAM in the specified mode or causing instability under load.
In this article, we'll cover two main flashing methods: using the built-in BIOS utility and the M-Flash function. Both methods have been tested and are safe, provided the instructions are followed precisely. It's important to understand that BIOS - this is the foundation of the system, and mistakes are unacceptable here.
Preparing for the firmware update procedure
Before attempting any manipulation of the system software, ensure you have a stable power connection. Power surges during the process of writing data to the chip can have fatal consequences for the motherboard. You should also close all running applications if you plan to download files directly from the operating system.
You will need a USB drive with a capacity of no more than 32 GB. It is recommended to use a FAT32 file system, as the BIOS bootloader may not recognize NTFS or exFAT formats. It is recommended to format the drive beforehand to avoid any read errors.
The first step is to visit the manufacturer's official website. Find the support page for your specific model. Z490 Gaming Edge WiFi (The model code is usually 7C77). Make sure you haven't mixed up the board version, as the firmware from the version without the WiFi dongle may not be compatible.
Download the latest BIOS version from the official website
On the support page, go to the "Support" tab and select the "BIOS" section. This will list all released firmware versions with a brief description of the changes. You'll need the latest version unless you have specific rollback requirements.
Please pay attention to the release notes. Developers often specify that you must first install an interim version before installing the final version. For example, upgrading to a version that supports 11th-generation CPUs may require first installing an older build.
- 📥 Download the .ZIP archive corresponding to your model.
- 📂 Unzip the archive to the prepared flash drive; the file should contain a .ROM or .CAP file.
- 💾 There is no need to rename the file; the M-Flash system will find it automatically if it is in the root of the disk.
- 🔌 Remove the flash drive safely through the operating system before connecting it to the motherboard ports.
Check the integrity of the downloaded file. If the download was interrupted, the file may be corrupted, which will cause a verification error when attempting to flash the firmware. In this case, redownloading the file is required.
Update via the built-in M-Flash utility
The M-Flash method is the most reliable and recommended by the manufacturer. It operates independently of the operating system, minimizing the risk of driver conflicts or background processes. To enter the BIOS, press Delete immediately after turning on the computer.
Once you get to the UEFI interface, press F7to switch to Advanced Mode. In the lower left corner, you'll find the button M-FLASHClick it, and the system will warn you about a reboot. Agree to enter firmware mode.
⚠️ Warning: During the update process, the screen may go blank and the fans may change speed. This is normal controller behavior; do not attempt to reboot the PC during this time.
In the window that opens, select your USB drive from the list of drives. Then select the firmware file. The system will ask you to confirm the operation. Once confirmed, the burning process will begin, with progress displayed as a percentage.
☑️ Checklist before launching M-Flash
Using the Flash BIOS Button function
If the system does not start or you cannot enter the BIOS, the motherboard MSI Z490 Gaming Edge WiFi offers an alternative method: Flash BIOS Button. This feature allows you to update the firmware even without a processor or RAM installed.
To do this, rename the firmware file to MSI.ROM and place it in the root directory of the flash drive. Insert the drive into the dedicated port labeled "FLASH BIOS" on the back panel. Press the button on the back panel of the case (near the USB port) for 3 seconds until the indicator light starts flashing.
The process will take approximately 5-7 minutes. The indicator light will flash during the update and turn off when the update is complete. If the indicator light is constantly on or flashing rapidly, an error has occurred and the process will need to be repeated with a different USB drive.
What should I do if the indicator light is flashing too fast?
This indicates that the firmware file was not found or is corrupted. Check the file name (it should be MSI.ROM) and the flash drive formatting (FAT32). Also, try a different USB port or drive.
This method is especially useful when upgrading a system, when the old BIOS does not support the new processor, and the computer simply does not start for the normal installation of updates.
Configuring settings after the update
After successful flashing, the computer will reboot. The system may take longer than usual to complete the memory training process during the first boot. Don't be alarmed if the screen remains black for 1-2 minutes. DDR4 is recalibrated.
Enter the BIOS and reset the settings to default by selecting "Load Optimized Defaults." This is necessary because old overclocking or memory timing settings may conflict with the new microcode. Save the settings by pressing the "Save" key. F10.
| Parameter | Recommended value | Description |
|---|---|---|
| Memory Try It! | Disabled / Auto | Automatic memory overclocking |
| XMP | Profile 1 | Profile for RAM operation at the declared frequency |
| CSM Support | Disabled | Compatibility mode (only needed for older OS) |
| Secure Boot | Enabled | OS boot protection |
Now you can activate your profile XMP for your RAM to operate at its rated frequency. Without this step, the RAM will operate at a base frequency of 2133 or 2400 MHz, which significantly reduces gaming performance.
Possible problems and their solutions
Sometimes after an update, users encounter problems with the computer not recognizing the boot drive or network. This is most often resolved by resetting the BIOS settings again or updating the chipset drivers in the operating system.
If the system displays "BIOS Flash Failed" or freezes on the MSI logo, try removing the CMOS battery for 5 minutes with the power off. This will completely clear the settings memory and may restore the board to normal operation.
⚠️ Note: The BIOS interface may vary slightly depending on the version. If you don't see the button described, look for similar options in the Settings or Advanced sections.
In rare cases, a new BIOS version may be less stable for a specific hardware configuration. If you notice a drop in performance or increased crashes, you can always roll back to the previous version by downloading it from the manufacturer's website.
Remember that microcode version 7C77vH0 (or equivalent for your revision) is critical to support 11th-generation Intel processors. Without it, the system may simply not boot with the new CPU.
Do I need to update the BIOS if my computer is working stably?
If you don't have any issues with new hardware compatibility, overclocking, or security, there's no urgent need to update. However, new versions often contain vulnerability patches, which are important for data security.
Is it possible to interrupt a BIOS update?
Absolutely not. A power outage or reboot during recording will damage the motherboard. Recovery is only possible with a programmer or a service center.
Will my Windows license be reset after upgrading?
No, your Windows license is tied to your motherboard's hardware ID and your Microsoft account. Updating your BIOS does not affect your operating system activation.