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)
No picture visible
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contrast to maximum or reset to their default
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.
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