| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | “BIOS image doesn’t match system” | Wrong file for MS-14B31 | Re-download correct version from MSI. | | “Security verification failed” | Secure Boot blocks unsigned BIOS | Disable Secure Boot temporarily in BIOS. | | Flash process hangs at 0% | Corrupted USB drive or wrong format | Reformat USB to FAT32, copy file again. | | Laptop shuts off during flash | Battery failure or AC disconnected | Replace CMOS battery, use direct AC power. | | No display after reboot | Incomplete flash or corrupted ME region | Try CMOS reset or recovery mode. |
Open Windows File Explorer, right-click the USB drive icon, and choose . Under the File System drop-down menu, choose FAT32 . Click Start to wipe the drive clean.
Click when prompted to confirm the initialization sequence. ms14b31 bios upd
: Format a USB flash drive (under 32GB recommended) to FAT32 . Extract the downloaded ZIP file and copy the BIOS file directly to the root of the USB drive. Update Procedure (M-Flash)
To update an MS14B31, users typically download the executable from the official manufacturer support page. Modern iterations often allow for a Windows-based flash | Error Message | Likely Cause | Solution
If the fails (blank screen, continuous beeps, or no POST), try these recovery methods:
Complete BIOS Update Guide for the MSI MS-14B31 Motherboard (MSI Modern 14 & PS42) | | Laptop shuts off during flash |
M-FLASH is MSI’s built-in BIOS flashing utility. Here’s how to use it:
Enter the BIOS again (Delete key) to confirm the new BIOS version is listed. Troubleshooting Tips