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BenQ G2020HD/G2020HDA/G2220HD/G2220HDA LCD Color Display User Manual
This user manual explains safety precautions, power requirements, and cleaning guidelines to ensure optimal performance and longevity of the BenQ LCD color displays. It covers proper handling, ventilation, and the risks of self‑repair.
The guide details hardware installation, video‑cable connections (D‑Sub and optional DVI‑D), OSD menu navigation, image optimization, and troubleshooting steps for common issues such as blurry images, pixel defects, and OSD lock conditions. This manual is written in Chinese.
BenQ G2220HDA specifications
| Power Input | AC |
|---|---|
| Video Input (Analog) | D‑Sub (VGA) |
| Video Input (Digital, optional) | DVI‑D |
Source: BenQ G2020HD/G2020HDA/G2220HD/G2220HDA LCD Color Display User Manual
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Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How should I clean the LCD screen?
Unplug the monitor, use a non‑abrasive cloth to wipe the surface, and avoid any liquids, wetting agents, or glass cleaners.
From: BenQ G2020HD/G2020HDA/G2220HD/G2220HDA LCD Color Display User Manual
What does a flashing green LED indicate?
It signals that the power‑management mode is active; press any keyboard key or move the mouse to exit the mode.
From: BenQ G2020HD/G2020HDA/G2220HD/G2220HDA LCD Color Display User Manual
Why is the image blurry?
Check the resolution and refresh rate settings, and remove any VGA extender cable to see if the image clears.
From: BenQ G2020HD/G2020HDA/G2220HD/G2220HDA Color LCD Monitor User Manual
What does a green LED on the monitor indicate?
A green LED means the monitor is in "Out of Range" mode and the current display mode is not supported.
From: BenQ G2020HD/G2020HDA/G2220HD/G2220HDA Color LCD Monitor User Manual