IBM Lenovo ThinkPad L4400 Bios Password Bin File.IBM Thinkpad always uses a small serial EEPROM (24RF08, P24s08) to store machine name,serial number, UUID etc. The supervisor password (SVP) is also stored into this little EEPROM chip.IBM supervisor password (SVP) can be unlock by reprogramme this little EEPROM chip.Remember! In IBM, Lenovo the power on password is not stored in the Main Bios it is stored in this serial EEPROM chip.unlock your required IBM laptop, you only reprogramme this little EEPROM chip not main bios.It is difficult to find the location of this EEPROM chip in the IBM, Lenovo ThinkPad motherboards. With the help of these pictures and bin files you can easily unlock yours IBM Lenovo laptops.
If you want to unlock your IBM Lenovo ThinkPad L4400 Bios Password just reprogramme this EEPROM chip with bios bin file which is given below.
precaution: First Backup your EEprom chip and save it at (USB or HHD) then write the downloaded bin file (With out password) into the EEPROM chip.