This document is a user manual for the Lenovo IdeaPad U455 laptop. The manual provides a basic operation guide for the product, including system configuration information, operation instructions, and important notices.
This manual covers important safety information, unboxing checks, and recommended work‑area conditions for the IdeaPad U455 notebook. It explains how to use the touchpad, keyboard, external devices, and how to switch graphics modes, as well as how to protect the computer and interpret system status indicators.
Additional sections describe internet connectivity (wired and wireless), the one‑key rescue feature, and detailed troubleshooting. Appendices provide guidance on obtaining help and service, maintenance, special statements, and after‑sales support information. This manual is written in Chinese.
| Battery type | Lithium |
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Visit Lenovo’s website, click “Service & Support”, and enter your machine’s serial number to view drivers, configuration, and service locations.
Do not use the computer in wet places, keep it away from liquids, avoid blocking ventilation, and do not operate it in environments with strong electromagnetic interference.