Acer Z321QU Manuel de l'utilisateur - Page 26

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Acer Z321QU Manuel de l'utilisateur

Troubleshooting

Before sending your LCD monitor for servicing, please check the troubleshooting list below
to see if you can self-diagnose the problem.

HDMI/DP Mode (Optional)

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