Bios updating utility
You then restart your computer and boot from the USB drive.
In the minimal DOS environment that appears after the reboot, you run the appropriate command—often something like BIOS3245.bin—and the tool flashes the new version of the BIOS onto the firmware.
Some manufacturers provide Windows-based flashing tools, which you run on the Windows desktop to flash your BIOS and then reboot.
We don’t recommend using these, and even many manufacturers who provide these tools caution against using them.
When using those tools, you create a DOS live USB drive, and then copy the BIOS-flashing utility and BIOS file to that USB drive.You’ll need to choose one of several different types of BIOS-flashing tools, depending on your motherboard and what it supports.The BIOS update’s included README file should recommend the ideal option for your hardware.To check your BIOS version from the Command Prompt, hit Start, type “cmd” in the search box, and then click the “Command Prompt” result—no need to run it as an administrator.At the prompt, type )or copy and paste) the following command, and then hit Enter: You can also find your BIOS’s version number in the System Information window.