Joybook Lite U121 Eco series is a notebook computer product launched by BenQ in 2009. This product features energy saving and environmental protection, and is certified according to ENERGY STAR and PC Green Label System standards.
This manual covers everything you need to get started with the Joybook Lite U121 Eco Series laptop, from unpacking and installing the battery to configuring Windows XP and using built‑in features such as Wi‑Fi, Bluetooth, and the webcam. It also explains how to use the Power Save mode, BIOS settings, and the QDataTrove recovery system.
Safety guidelines, battery maintenance, and troubleshooting tips are included, along with detailed diagrams of the laptop’s ports, indicators, and hardware components. The document complies with ENERGY STAR and PC Green Label standards and provides regulatory declarations for European markets. This manual is written in Chinese.
| Energy Star certification | Certified |
|---|---|
| Battery charging indicator | Orange light while charging, off when full |
Press the Fn key together with F12 to activate Power Save mode.
The orange light means the battery is charging; the light will turn off when charging is complete.
Only the power adapter supplied with the Joybook Lite should be used; other adapters may cause faults or hazards.