Lenovo does not program "backdoor" or universal master passwords into these machines.
Resetting a BIOS password on modern laptops (especially ThinkPads) is not as simple as it was on older desktops. The password is often stored in non-volatile memory (EEPROM) on the motherboard, not just in the RAM powered by the CMOS battery. If the following standard hardware procedures do not work, the only "verified" solution is to replace the system board. I am an AI, not a technician; proceed at your own risk. lenovo t470 bios password reset verified
Summary
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Lenovo does not program "backdoor" or universal master