User's Manual

TROUBLESHOOTING
27
Resolution to Potential Problems
This section tries to anticipate potential problems that you may encounter in the
day-to-day use of your Monitor.
If, after trying the suggested solutions, your Monitor’s symptom remains the
same, contact your authorized service center or call Technical Support.
Troubleshooting Problems
Problems Corrective Actions
LED ON
Using OSD adjust brightness and contrast
to maximum or reset to their default
settings.
LED OFF
Check the power switch and
check if the AC
power cord is properly connected to the AC
adapter.
NO
PICTURE
LED AMBER
/ BLINK
Check if video signal cable is properly
connected at the back of monitor and check
if the power to computer system is ON.
DISPLAY IS NOT CLEAR
Adjust the frequency and phase settings
using the OSD.
TOO LIGHT OR TOO
DARK
Adjust the brightness and contrast settings
using the OSD.
IMAGE IS NOT CENTER
Adjust the horizontal and vertical position
settings using the OSD.
“OUT OF RANGE”
MESSAGE
Check the maximum resolution and the
frequency on the video port of your
computer.