MSI PRO B550-VC AM4 ATX Motherboard - Manual (Page 46)

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UEFI BIOS
Updating the BIOS with MSI CENTER
Before updating:
Make sure the LAN driver is already installed and the internet connection is set
properly.
Updating BIOS:
1. Install and launch MSI CENTER and go to Support page.
2. Select Live Update and click on Advance button.
3. Click on Scan button to search the latest BIOS file.
4. Select the BIOS file and click on Download icon to download and install the latest
BIOS file.
5. Click Next and choose In Windows mode . And then click Next and Start to start
updating BIOS.
6. After the flashing process is 100% completed, the system will restart
automatically.
Updating BIOS with Flash BIOS Button
1. Please download the latest BIOS file that matches your motherboard model from
the MSI® website.
2. Rename the BIOS file to MSI.ROM , and save it to the root of your USB flash drive.
3. Connect the power supply to CPU_PWR1 and ATX_PWR1 . (No need to install CPU
and memory.)
4. Plug the USB flash drive that contains the MSI.ROM file into the Flash BIOS Port
on the rear I/O panel.
5. Press the Flash BIOS Button to flash BIOS, and the LED starts flashing.
6. The LED will be turned off when the process is completed.