MSI MAG B660M MORTAR WIFI User Manual page 49

Updating the BIOS with MSI Center
Before updating:
∙ Make sure the LAN driver is already installed and the internet connection is set
properly.
∙ Please close all other application software before updating the BIOS.
To update BIOS:
1. Install and launch MSI Center and go to Support page.
2. Select Live Update and click on Advance button.
3. Select the BIOS file and click on Install button.
4. The installation reminder will appear, then click the Install button on it.
5. The system will automatically restart to update BIOS.
6. After the flashing process is 100% completed, the system will restart
automatically.
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UEFI BIOS