Problems Current Status Remedy
No LED ON Using OSD, adjust brightness and contrast
Picture to maximum or reset to their default ettings.
LED OFF Check the power switch.
Check if AC power cord is properly
connected to the AC adapter
LED displays Check if video signal cable is properly
amber color connected at the back of monitor.
Check if the computer is powed ON.
Abnormal Unstable Picture Check if specifications for the graphics
Picture adapter and monitor are in compliance,
which may be causing a mismatch in
input signal frequenay.
Display is missing, Using OSD, adjust RESOLUTION,
center shifts, or too CLOCK, CLOCK-PHASE, H-POSITION
small or too large and V-POSITION with non- standard
in display size signals.
Using OSD, in case of missing full-screen
image, please select other resolution or
other vertical refresh timing.
Wait for a few seconds after adjusting the
size of the image before changing or
disconnecting the signal cable or
powering OFF the monitor.
Abnormal No sound, or sound Check the audio cable where the host PC
Sound level is too low is connected.
Check the setup of the host PC, if it is in
monimum or off status.
Troubleshooting
Before sending your LCD monitor for servicing, please check the troubleshooting list
below to see if you can self-diagnose the problem.
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