Ensure the USB drive is formatted to FAT32. If the file is inside a .zip folder, you must extract it first.
Only download BIOS files from the official manufacturer’s support page (e.g., MSI, Acer, or the specific OEM of your device). How to Perform the MS14B31 BIOS Update
This article covers everything you need to know about the MS14B31 BIOS update process, from preparation to troubleshooting. Why Should You Update the MS14B31 BIOS? ms14b31 bios upd
Newer BIOS versions often add support for newer CPUs, RAM modules, or NVMe SSDs.
If the screen stays black for more than 30 minutes after an interruption, you may need to use a "BIOS Recovery" jumper on the motherboard or a USB Recovery feature if supported. Conclusion Ensure the USB drive is formatted to FAT32
Press Windows + R , type msinfo32 , and look at "BIOS Version/Date."
This is the safest method as it doesn't rely on the Windows environment. How to Perform the MS14B31 BIOS Update This
Enter the BIOS and select "Load Setup Defaults" or "Optimized Defaults." This resets the firmware to a stable state.
the BIOS update file (usually a .cap , .bin , or .rom file). Format a USB drive to FAT32.
Follow the prompts. The system will likely freeze for a few minutes before automatically restarting to finish the flash. Troubleshooting Common Issues