Lenovo ThinkPad T420/T420i User Manual

About this manual

This manual begins with safety and regulatory information, an overview of the laptop’s hardware, connectors, indicators, and pre‑installed ThinkVantage utilities. It also explains how to register the computer and access important security features.

Subsequent chapters cover everyday use, power management, connectivity, upgrading components, advanced configuration, and detailed troubleshooting procedures, along with guidance on obtaining support and additional software updates. This manual is written in Portuguese.

What's inside

• Capitulo 1. Descrição geral do produto
• Capitulo 2. Utilizar o computador
• Capitulo 3. O utilizador e o computador
• Capitulo 4. Segurança
• Capitulo 5. Descrição geral dos meios de recuperação
• Capitulo 6. Substituir dispositivos
• Capitulo 7. Melhorar o computador
• Capitulo 8. Configuração avançada
• Capitulo 9. Prevenir problemas
• Capitulo 10. Resolver problemas do computador

Frequently asked questions

How do I put the ThinkPad into standby mode?

Press Fn+F4 to enter standby mode.

How do I put the ThinkPad into hibernation mode?

Press Fn+F12 to enter hibernation mode.

Where can I find the safety and warranty manual?

It is available on the Lenovo support website at http://www.lenovo.com/support under User Guides & Manuals.