plz help me to repair Thinkpad A475 nm-b351 bios bin

[hyzamm]

flash bios from post #5 if no luck than try from post #16
make sur you attach or connect your clip properly to the bios chip pin

I managed to flash the bios from both #5 and #16 but my laptop still cannot boot, only black screen. Appreciate your help.

[teosan]

Hello! The same problem with bios, there was a metal dust on chip... So after powerdown it's don't want power on.
here backup bios which downloaded from laptop. serial number is PF-0XA2X2