. It requires deep knowledge of embedded systems, soldering, and specialized software. However, it is a verified method used by professional repair shops to unlock T470 laptops with lost Supervisor Passwords.
Requests a code immediately after hitting the power button. Hard Disk Password (HDP): Locks access to the SSD/HDD data.
There is no "factory" password like "admin" or "1234". lenovo t470 bios password reset verified
This is often the first method people suggest, but it is largely ineffective on modern ThinkPads like the T470. The CMOS battery (a CR2032 coin cell) maintains the real-time clock and low-level BIOS settings when the laptop is off. Removing it for 5–10 minutes will discharge the CMOS and reset basic settings like the date and time, but it will erase the Supervisor Password. The password is stored in non-volatile memory that retains data without power. If you need to reset your date and time, this method works. If you want to reset the BIOS password, move on to Methods 2, 3, or 4.
These methods are intended only for legitimate owners who have forgotten their passwords. Warranty: Opening your laptop may void your warranty. Requests a code immediately after hitting the power button
This is the most expensive method but requires no specialized technical skills beyond laptop disassembly. ❌ Myths: Methods That DO NOT Work on the T470
4.5/5 (based on verification and testing) This is often the first method people suggest,
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.