Unlock Bios Password Lenovo T470p

[CRCM]

Buen día necesito que me ayuden a quitar contraseña a una Lenovo T470p placa base DT473 NM-BO71 rev:1.0
le estaré ,uy agradecido
esta es la BIos con la que viene el equipo

 

[Ali Shaikh]

Instructions for use"

Remove all battery and CMOS battery

press F1 to enter setup: password 1234
wait 20sec or more.
Enter any ID to hardware ID.
Press 2x space bar when asked.
Turn off the computer.
and restore your original bios.

Enjoy.

If 2x 5beep, it's normal.
I didn't do checksum but it must light up anyway.
Wait minimum 30sec before screen logo light on. Must turn on/off several times by itself.