Download the correct BIOS file for your exact MSI motherboard model from the official MSI support page
Check your current BIOS version in BIOS setup or Windows system information
Read the BIOS release notes and confirm the update is needed
Prepare a USB flash drive and format it as FAT32
Extract the downloaded BIOS file if it is in a compressed archive
Copy the BIOS file to the root of the USB flash drive
Restart the PC and enter BIOS by pressing Delete during startup
If needed, load default BIOS settings before updating
Use M-FLASH in the BIOS menu
Select the BIOS file from the USB drive
Start the BIOS update and do not power off the system
Wait until the update finishes and the system restarts
Enter BIOS again after reboot
Load optimized defaults if required
Save and exit BIOS
Reconfigure any custom BIOS settings if needed