User Guide

27
9.2. Troubleshooting
Problems Possible causes Solutions
The Power indicator does not
come on
A. the monitor is not powered on A. Check if the power cord is
connected, and switch ON the
monitor.
The Power indicator is on, but
no image is displayed
A. The Video wire is detached or
connected improperly
B. No video signal input
A. Connect or replace the video
wire, and ensure proper and correct
connection;
B. Check the signal source, and
check if it is properly connected at
the output end.
Image jerking or ripple A. There exists an electric device
that interferes with the video
signals;
A. Turn o󰀨 the electric device, or
relocate the monitor.
Dim or extremely bright
screen
5. A. Low or high brightness/
contrast
6. A. Check the brightness/contrast
settings, or restore to default
settings.
Colordi󰀨erence A. Improper chromatic saturation;
B. Improper RGB values or color
temperature
A. Check the chromatic saturation;
B. Adjust the RGB values or reset
the color temperature;
C. Restore to default settings.
Image distortion A. Improper aspect ratio; A. Reset the aspect ratio.
No sound A. the Audio wire is detached or
connected improperly;
B. It is mute
A. Ensure proper connection at the
input end;
B. Reset the volume.