Lenovo A475 bios password

[aLEXSTARLING]

Hi,need help to unlock bios password,Lenovo Auropatcher don work for me
Lenovo A475 Type20KM
S/n PF-119XKP

[Maxpower3]

Hi,need help to unlock bios password,Lenovo Auropatcher don work for me
Lenovo A475 Type20KM
S/n PF-119XKP

try

[aLEXSTARLING]

try

Thanks for trying, black screen on patched bios
I didn't find a connector in the diagram where I can short-circuit the LPC bus

[Maxpower3]

Thanks for trying, black screen on patched bios
I didn't find a connector in the diagram where I can short-circuit the LPC bus

try this for test before lpc

https://www.badcaps.net/forum/troubl...09#post3449809

[aLEXSTARLING]

I have already tried these files
ACCORDING TO YOUR VIDEOS, I HAVE ALREADY REMOVED BIOS FROM MANY LAPTOPES. THANK YOU FOR YOUR WORK

[Maxpower3]

Thanks for trying, black screen on patched bios
I didn't find a connector in the diagram where I can short-circuit the LPC bus

find schema or boardview, I don't know all the models

[Maxpower3]

try these

[aLEXSTARLING]

not working

[Maxpower3]

just for test ,see display or not

[aLEXSTARLING]

one of your files worked, you had to wait 3 minutes, after which the laptop displayed the image.Thank you for your time

[Maxpower3]

which one, is the password still there?