This document is the user manual for G2020HD/G2020HDA/G2220HD/G2220HDA color LCD flat panel monitors, including installation, cleaning, and maintenance instructions.
This manual provides step‑by‑step instructions for unpacking, installing, and configuring the BenQ G2020HD/G2020HDA/G2220HD/G2220HDA color LCD monitors. It covers safety guidelines, power connection, signal cable selection, and how to mount or remove the stand.
The guide also explains on‑screen display (OSD) settings, quick‑key functions, and detailed troubleshooting tips for image quality, LED indicators, and OSD lock issues. Additional support resources are listed at the end. This manual is written in Chinese.
| Power Input | AC |
|---|---|
| Signal Input | D‑Sub |
| Signal Input | DVI‑D |
Check the resolution and refresh rate settings, and remove any VGA extender cable to see if the image clears.
A green LED means the monitor is in "Out of Range" mode and the current display mode is not supported.
Hold the MENU key for 15 seconds, then select the OSD Lock option to disable the lock.