Lenovo T470 Bios Password Reset Verified Portable Link

This method is verified to work on some versions of the T470/T470s, as detailed in community efforts like the lilianalillyy/t470s-uefi-unlock GitHub guide . This relies on a specific security vulnerability in the BIOS prompt mechanism. the T470 and press F1 to enter BIOS.

The split second the Lenovo logo appears on the screen, firmly bridge Pin 5 and Pin 6 together using your tweezers.

Lenovo does not provide "master passwords." If you have forgotten a Supervisor Password , the only official solution according to Lenovo Support Motherboard Replacement: lenovo t470 bios password reset verified

This method requires precise timing and carries a risk of damaging the motherboard if the wrong pins are shorted or if a short is applied at the wrong time. It is generally not recommended for inexperienced users.

Passwords reside on a non-volatile EEPROM chip. This method is verified to work on some

A fraction of a millimeter slip can instantly fry the motherboard, rendering the laptop completely dead.

The Lenovo T470 is a workhorse of the corporate world. Renowned for its durability, dual-battery system, and exceptional keyboard, it remains a favorite among IT professionals and refurbishers. However, this legendary reliability extends to its security features. If you—or a previous owner—set a BIOS (Supervisor) password and forgot it, you have likely discovered that the T470 is stubbornly locked. The split second the Lenovo logo appears on

On older desktop computers, removing the CMOS battery for a few minutes would clear stored settings and passwords. This no longer works on modern business-class laptops like the T470. On these systems, removing the CMOS battery primarily resets the clock and basic settings but does not remove the BIOS password. The password information is stored in non-volatile memory or within the embedded controller (EC) firmware, which retains its contents even when the system is completely powered down. One user who attempted this on a T470 confirmed that removing the CMOS battery and main SSD allowed access to the boot menu but did not clear the password.