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Confirm that you want to proceed with the update. The system will flash the new microcode. Do not turn off the machine under any circumstances during this phase. Post-Update Protocol
The system will prompt you to reboot to flash mode. Click "Yes".
The system will likely ask you to confirm that you want to update. Select .
You may have downloaded a BIOS for a different sub-model. Double-check if your laptop is the B11M, B12M, or A10M variant, as they use different firmware despite having similar motherboard IDs.
Re-enter the BIOS menu ( Delete / F2 ) immediately upon reboot. Locate the option to Load Setup Defaults (often F9 ), select it, then save and exit ( F10 ). This clears out old configuration data that could cause instability with the new firmware. ms14b31 bios updated
If the update interrupted, try the M-Flash process again using a different USB port or a different USB drive.
The BIOS update for was performed following standard procedures. If the update succeeded, the system should be more stable and secure. If failed, a BIOS recovery method (e.g., USB recovery, SPI programmer) would be required.
Prepare a high-quality USB flash drive (8GB or smaller is ideal) formatted to the FAT32 file system. How to Check Your Current BIOS Version
Use a FAT32-formatted USB stick (8GB or 16GB is ideal). Avoid using drives with "hidden" security software. Confirm that you want to proceed with the update
Visit the official MSI Support page. Search for your specific model (e.g., Modern 14 B11M or Prestige 14 ).
: Extract the downloaded ZIP file and copy the BIOS file to a FAT32-formatted USB drive [17]. Enter BIOS : Restart the laptop and tap the key repeatedly during startup.
Look for "Micro-Star International Firmware," select it, and click Download & install ⚠️ Critical Warning
BIOS update refers to firmware for the MSI Modern 14 B11M (or related MS-14B3 series) laptop. Updating this BIOS can improve system stability, hardware compatibility, and provide critical security patches. Important Prerequisites Plug in Power Post-Update Protocol The system will prompt you to
Better compatibility with new hardware or RAM.
The MS14B31 BIOS update specifically targets a vulnerability identified as CVE-2014-8272. This vulnerability is caused by a weakness in the BIOS's handling of certain types of data, which could allow an attacker to execute arbitrary code on the system.
Who is the of your computer? (e.g., MSI, Acer, ASUS, CyberPowerPC) What operating system are you running? What specific issue is forcing you to update your BIOS?
– Necessary evil for bug fixes, not an upgrade.