Before sending your LCD monitor for servicing, please check the trouble-
shooting list below to see if you can self-diagnose the problem.
LED displays amber color
Display is missing, center
shift, or too small or too
large in display size
No sound, or sound level
is too low
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
Check if the power of computer
system is ON.
Check if the specification of graphics
adapter and monitor is in
compliance which may be causing
the input signal frequency
Using OSD, adjust RESOLUTION,
CLOCK, CLOCK-PHASE, H-POSITION
and V-POSITION with non-standard
Using OSD, in case of missing full-
screen image, please select other
resolution or other vertical refresh
Wait for a few seconds after
adjusting the size of the image
before changing or disconnecting
the signal cable or powering OFF the
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.