Updating bios with a thumb drive
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.If there’s a problem with the new BIOS version, you may be able to downgrade it by downloading an older version from the manufacturer’s website and repeating the flashing process.
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.
First, visit the UConnect upgrade site, whose URL may have changed since we posted this.
Put in your VIN number (you do have that in Last Pass, 1Password, or such, right?
All that software running in the background—including security programs that may interfere with writing to the computer’s BIOS—can cause the process to fail and corrupt your BIOS.
Any system crashes or freezes might also result in a corrupted BIOS.