Acer Z321QU 사용자 설명서 - 페이지 26

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Acer Z321QU에 대해서도 마찬가지입니다: 빠른 시작 매뉴얼 (4 페이지)

Troubleshooting

Before sending your LCD monitor for servicing, please check the troubleshooting list below

to see if you can self-diagnose the problem.

Problem

No picture visible

LED status

Blue

Off

Amber

Using the OSD menu, adjust brightness and

contrast to maximum or reset to their default

setting.

Check the power switch.

Check if the AC power cord is properly

connected to the monitor.

Check if the video signal cable is properly

connected at the back of monitor.

Check if the computer system is switched on

and in power saving/standby mode.

Remedy