Ms14b31 Bios Upd May 2026

The MS-14B31 (also known as MS-14B3) is the motherboard identifier for the MSI Modern 14 and PS42 series laptops. Updating the BIOS on these machines is a standard procedure that typically addresses security vulnerabilities, such as Intel ME patches, and improves system stability. BIOS Update Overview

Exact Model Verification: Confirm your specific sub-model (e.g., Modern 14 B11M Go to product viewer dialog for this item. Go to product viewer dialog for this item. ms14b31 bios upd

Download the BIOS CD ISO version from Lenovo.
Burn the ISO to a USB stick using a tool like Rufus.
Boot the M93z and press F12 to enter the Boot Menu.
Select the USB drive.
The flash utility will run automatically from the DOS environment.

Here’s a draft blog post tailored for a tech or IT support audience. You can adjust the tone and specific model details (e.g., motherboard or laptop brand) as needed. The MS-14B31 (also known as MS-14B3) is the

—can "brick" the device, rendering it unable to boot. Therefore, the process requires a stable power source (AC adapter plugged in) and an exact match of the motherboard revision. Execution and Best Practices Download the BIOS CD ISO version from Lenovo

Rename the BIOS file to BIOS.ROM or E14B31IM.ROM (check your manual).
Place it on a FAT32 USB drive.
With laptop off, hold Ctrl + Home (or Win + B + power button – varies by model).
Keep holding until you see a recovery screen. The system will re-flash from USB.