If you have proof of purchase, Lenovo service centers can remove the password, though it may require a motherboard replacement.
Each type serves a distinct purpose and operates differently, with varying levels of risk and complexity. Lenovo Bios Unlock Tool
Users looking to access hidden "Advanced" settings (for undervolting or RAM timing) often use tools like SREP (SmokelessRuntimeEFIPatcher) or specialized H2O Unlockers Target Devices: Primarily Lenovo Legion, IdeaPad, and Yoga series. If you have proof of purchase, Lenovo service
If the supervisor password cannot be recalled, Lenovo’s official policy dictates a motherboard replacement . If your device is under a warranty that covers user error, or if you pay out-of-warranty repair costs, they will physically swap the system board to restore access. Contact the Vendor (For Used/Refurbished Units) If you have proof of purchase