It is highly recommended to buy a new motherboard.
If you are locked out and the hardware reset did not work, here are the remaining verified options:
For out-of-warranty devices, some advanced users employ technical workarounds, though these carry a high risk of bricking the device: lenovo t470 bios password reset verified
: Power down the T470, remove the external battery, disable the internal battery in the BIOS (if accessible) or disconnect it physically, and remove the bottom base cover.
If you plan to execute the hardware flashing method, let me know if you need help , locating the correct open-source patching scripts , or selecting the right hardware programmer kit . Share public link It is highly recommended to buy a new motherboard
For users willing to attempt complex hardware-level modifications, the following advanced methods have been used, though they carry a high risk of "bricking" the device:
Lenovo ThinkPad laptops are famous for their robust enterprise-grade security features. The Lenovo ThinkPad T470 utilizes a non-volatile EEPROM chip to store hardware-level passwords, including the Supervisor Password (SVP), Power-On Password (POP), and Hard Disk Password (HDP). Share public link For users willing to attempt
Locks access to the BIOS/UEFI setup utility. This is the most restrictive password and the primary focus of this article.