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TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the trouble-
shooting list below to see if you can self-diagnose the problem.
(HDMI/DP/DVI Mode)
Problems
No Picture
Abnormal Sound
(Only Audio-Input
model)
(Optional)
Current Status
LED ON
LED OFF
LED displays amber color
No sound, or sound level
is too low
EN-21
Remedy
Using OSD, adjust brightness
and contrast to maximum or
reset to their default settings.
Check the power switch.
Check if AC power cord is
properly connected to the
monitor.
Check if video signal cable is
properly connected at the back
of monitor.
Check if the power of computer
system is ON.
Check the audio cable with the
host PC is connected.
Check if the volume setup of the
host PC is in minimum position
and try to raise the volume
level.
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