How can I update my bios without a os? (I can only find .exe files for win7 that do it.)
Where can i get files to make a bootable usb stick that updates bios?
Lenovo b570.
>>52406227
You can't.
can i do it from a linux system running in ram like parted magic?
>>52406227
Run win7 in a VM.
open bios chip and soldier cpu
>>52406821
kek do you honestly believe that it has access to non virtualized hardware?
Download hirens boot cd, boot mini windows xp from cd, update bios.
Many UEFI motherboards can get updates from the UEFI through the internet. I doubt this helps but the future is better.
This is probably not a correct answer but
> backup current OS
>install Windows 7
>upgrade bios
> restore os
My HP DC7800 has an option to update the bios from the bios itself, from a fat16 formatted usb drive. I don't know if Lenovo does though.
>>52407706
>tfw the flash program wasn't tested to work under XP
>crashes
>leaves mobo bricked