Ms14b31 Bios Updated ((full)) Site
MSI MS-14B31 BIOS Updated — Complete Guide
What Is the MS14B31 BIOS?
First, let’s decode the identifier. MS14B31 is not a laptop model itself; rather, it is the BIOS project name or firmware family string used by Insyde Software for a specific line of motherboards. This BIOS is commonly found in budget to mid-range Windows laptops manufactured between 2020 and 2023, particularly those using:
- Intel Celeron N4020 / N4120 (Gemini Lake Refresh)
- Intel Pentium Silver N5000 / N5030
- Intel Celeron N3350 (Apollo Lake)
Laptop brands that have shipped devices with the MS14B31 BIOS include:
- Acer (Aspire 1, A115-31 series)
- Gateway (11.6” budget notebooks)
- Vivobook (lower-end E-series)
- Various white-label OEMs
If you see "MS14B31" listed under BIOS Version in msinfo32, your device uses this firmware. ms14b31 bios updated
Report: MS14B31 BIOS Update
Risks and precautions
- Bricking: Power loss or interruption during flashing can render the motherboard unbootable.
- Compatibility: A wrong BIOS file may be incompatible and cause failures.
- Settings reset: BIOS update typically resets settings to defaults—record custom settings (boot order, RAID config, overclocking).
- Driver/OS mismatches: Some OS or driver settings might need reconfiguration after an update.
Precautions:
- Confirm exact motherboard model (MS-14B31) and current BIOS version.
- Download BIOS only from MSI’s official support page for your exact model.
- Use a reliable, fully-charged power source (desktop on UPS; laptop plugged in).
- Back up important data—especially if storage controllers or RAID are involved.
- Note or export BIOS settings if you rely on custom configuration.
- Have recovery tools ready (USB drive, BIOS file, recovery procedure).
Prerequisites
- Laptop plugged into AC power (battery above 50%).
- A USB flash drive (formatted FAT32) – optional for recovery.
- Administrative access to Windows.
What is MS14-031?
MS14-031 is the identifier for a security bulletin released by Microsoft. The "MS" stands for Microsoft Security Response Center (MSRC), "14" indicates the year 2014, and "031" signifies that it was the 31st security bulletin released that year. MSI MS-14B31 BIOS Updated — Complete Guide What
While the bulletin title typically addresses a vulnerability in Windows Kernel-Mode Drivers, for Surface Pro 2 users, this bulletin was delivered through Windows Update as a System Firmware Update.
2. Performance & Stability
- Fix for random "WHEA_UNCORRECTABLE_ERROR" when resuming from sleep.
- Improved eMMC storage detection – no more boot failures after power loss.
- Reduced DPC latency for Realtek audio and Wi-Fi chipsets.
Overview
The MS-14B31 is an MSI laptop motherboard (often found in Prestige 14 A10SC, Modern 14 B10MW, etc.). BIOS updates for this board are typically released to fix stability, security, or hardware compatibility issues. Intel Celeron N4020 / N4120 (Gemini Lake Refresh)
Issue 4: Cannot Downgrade to Older BIOS
Note: This is by design. Version 2.07 locks downgrades to prevent security vulnerabilities. There is no safe workaround.