hi it looks like you have the same problem that i just solved thank's to this forum.
you'll need to flash your bios (do a backup first !)
I used a little programer CH341A quite cheap a little googling to download free software hex editor Hxd
some video frome youtube for exemple : [url]https://www.youtube.com/watch?v=oE_dH5M6CNo[/url]

good informations frome here :

"08-01-2021, 10:20 AM
Re: Lenovo IdeaPad 330S-15ARR - 330S_ARR_V06

Originally posted by [B]junkfoodcafe[/B] [URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/70737-lenovo-ideapad-330s-15arr-330s_arr_v06?p=1560764#post1560764"]View...

Hello evry one !
thank's to Mr PESTE the lenovo 330s 15arr of my wife is now back up and running after the windows update and the dead bios. The very clear explainations in post 29 helped me out so much !!!

08-01-2021, 10:20 AM
Re: Lenovo IdeaPad 330S-15ARR - 330S_ARR_V06

Originally posted by [B]junkfoodcafe[/B] [URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/70737-lenovo-ideapad-330s-15arr-330s_arr_v06?p=1560764#post1560764"]View...