This manual introduces the operation methods, usage tips, and troubleshooting of Joybook Lite U121 Eco Series.
This manual covers everything you need to know to get started with the BenQ Joybook Lite U121 Eco Series laptop, from unpacking and installing the battery to configuring the operating system. It includes detailed sections on hardware components, BIOS setup, system recovery, and troubleshooting.
Additional chapters explain how to use built‑in wireless, Bluetooth, webcam, and power‑save features, as well as safety guidelines, battery maintenance, and service support information for the device. This manual is written in Chinese.
| Power Save hotkey | Fn + F12 |
|---|---|
| Functions disabled in Power Save mode | Wireless LAN, Bluetooth, 3G connection, Webcam |
| Battery indicator colors | Amber while charging, off when fully charged |
Press the Fn key together with the F12 key (Fn + F12) to enable Power Save mode.
Power Save mode disables the wireless LAN, Bluetooth, 3G connection, and the webcam.
The indicator glows amber while the battery is charging and turns off when the battery is fully charged.