The most reliable way to reset a T470 BIOS password without replacing the motherboard is using a hardware programmer (like the ). The Process: Clip a BIOS programmer to the chip. Read the current BIOS dump to a secondary computer.
Prevents access to the BIOS setup utility. If set, you can often boot into Windows but cannot change hardware settings. lenovo t470 bios password reset verified
This is the only method that works 100% of the time for the Supervisor password, Power-on password, and BIOS lock. It requires moderate soldering skills or a steady hand for pogo pins. The most reliable way to reset a T470
Lenovo explicitly states there is no official service procedure to reset or remove a forgotten Supervisor Password. Prevents access to the BIOS setup utility
: Disconnect all power sources, including the external battery and the internal bridge battery. Locate the Chip
Have questions or found a better method? Leave a comment below.