This document is a user manual for ThinkPad T420 and T420i. It provides information on safety precautions, warranty instructions, regulatory notices, and important safety guidelines. It also describes the appearance, features, and specifications of the products.
This manual includes regulatory notices, safety information, and an overview of the ThinkPad T420i hardware features such as UltraNav, TrackPoint, and NVIDIA Optimus graphics. It also describes the pre‑installed ThinkVantage tools, security features like Active Protection System and Fingerprint Software, and the various Windows operating systems supported.
Further sections cover the BIOS/UEFI setup, system update procedures, and accessories such as the ThinkPad Port Replicator and Mini Dock series. Detailed instructions for configuring date/time, security, startup, and restart settings are provided.
The device includes an Active Protection System, Fingerprint Software, and other client security solutions.