CG437K User Guide English 27
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/USB Mode (Optional)
Problem LED status Remedy
No picture visible Blue Using the OSD menu, adjust brightness and contrast
to maximum or reset to their default setting.
Off Check the power switch.
Check if the AC power cord is properly connected to
the monitor.
Blue and
Breathing
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.
OSD Locked: If OSD Lock is on, the LED status set
Blue and Breathing.
Note: Acer monitor is purposed for video and visual display of information obtained from
electronic devices.
Regulatory Compliance
217186
60950-1
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