Lenovo ThinkPad T420 and T420i User Manual

About this manual

This guide covers safety and warranty information, regulatory notices, and important safety warnings for the ThinkPad T420 and T420i laptops. It includes detailed sections on product overview, system usage, ergonomics, and security features.

The manual also explains how to install and replace components, configure advanced settings, prevent common problems, and resolve system issues. Support resources, service contacts, and regulatory compliance details are provided in the appendices. This manual is written in Spanish.

What's inside

• Visión general del producto
• Utilización del sistema
• Usted y su sistema
• Seguridad
• Visión general de la recuperación
• Sustitución de dispositivos
• Configuración avanzada
• Prevención de problemas
• Resolución de problemas del sistema
• Obtención de soporte

Frequently asked questions

How do I put the ThinkPad into sleep mode?

Press Fn+F4 to place the system in sleep (suspend) mode.

How do I put the ThinkPad into hibernation?

Press Fn+F12 to place the system in hibernation mode.

Where can I find the safety and warranty guides for this laptop?

They are available on Lenovo’s website at www.lenovo.com under the Support > User guides & manuals section.