Ensure the root directory contains files such as fpt.efi , AfuEfix64.efi , a batch file (e.g., flash.nsh or update.bat ), and the actual ROM file (usually ending in .bin or .rom ). Step 3: Boot Into the UEFI Shell / Advanced Startup
Because Medion is an OEM, you cannot use standard retail motherboard software to update the BIOS. You must source the files directly from Medion and deploy them using specialized flashing utilities. Step 1: Identify Your Specific Medion MSN Number
: Note that even with a BIOS update, this board is hardware-locked to 2666 MHz (for i5/i7) or 2933 MHz (for i9). It does not support XMP or higher overclocking speeds.
If you haven't updated yet but are planning to, stop. Follow this checklist to avoid a future brick. medion b460h6em bios update fix
The flashing utility will begin. touch your keyboard, move your mouse, or turn off your computer during this process.
BIOS Recovery from USB. Do not power off.
The listed BIOS version was P05v1.2. Released in 2021. Two years old. Ensure the root directory contains files such as fpt
Before updating, you need to know what you're currently running. Knowing the exact model and serial number (MSN) is crucial for finding the correct update and should be your first step.
Open the folder and look for a file named Wflash64.bat or UpdateBIOS.bat . Right-click the file and select .
Do not power off.
On the B460H6-EM, the BIOS chip is an Winbond 25Q256JV (32Mbit/4MB) or 25Q128 (16Mbit). It is a small 8-pin chip usually located near the SATA ports or the bottom PCIe slot. It has a tiny circular indent marking pin 1.
Security software or Windows Core Isolation features sometimes block low-level kernel drivers used by OEM flashing tools.
OEM motherboards prioritize rigid pre-configured stability over hardware flexibility. Users commonly run into several key limitations that a BIOS update resolves: Step 1: Identify Your Specific Medion MSN Number