This manual introduces the IdeaCentre A3 series computers hardware usage, connection methods and precautions, as well as common problems handling methods.
This manual covers important safety information, hardware components, and connection methods for the Lenovo IdeaCentre A3 desktop. It explains how to safely connect power, use the various ports (USB 3.0, HDMI‑OUT, Bluetooth, Wi‑Fi) and set up optional wireless keyboards and mice.
Additional sections describe system rescue functions, software installation, common troubleshooting, and daily maintenance procedures such as cleaning and component care. The guide also includes detailed instructions for handling wireless peripheral issues and power‑adapter requirements. This manual is written in Chinese.
| USB 3.0 ports | Present |
|---|---|
| HDMI‑OUT port | Optional (partial models) |
| Bluetooth | Supported |
| Wi‑Fi status indicator | Present |
Connect the power adapter to the matching port on the back of the computer, then plug the adapter into the power cord and finally into a properly grounded outlet.
Check for signal interference, ensure the device is within 10 m, update the Bluetooth driver, and try using a different surface or mouse pad. If needed, restart the device or replace the batteries.
Use a vacuum cleaner, soft cotton cloth, and clean water for external parts. For the keyboard, power off the computer and gently wipe with a slightly damp cloth, then let it dry completely before use.