TROUBLESHOOTING
26
How to Resolve Potential Problems
This section tries to anticipate potential problems that you may encounter in the
day-to-day use of your monitor and aims to provide simple solutions to solve the
problem before it becomes more severe.
If, after trying the suggested solutions, your monitor’s continues to experience the
same problems, contact your authorized service center or call technical support.
Troubleshooting scenarios
Problems
Corrective Actions
LED ON
Using the OSD menu adjust the brightness
and contrast ratios to the maximums or
reset to their default settings.
LED OFF
Check the power switch and
make sure the
AC power cord is properly connected to the AC
adapter.
NO
PICTURE
LED AMBER
OR BLINKING
Make sure the video signal cable is
properly connected at the back of monitor
and check to make sure the power to your
computer system is on.
DISPLAY IS NOT CLEAR
Adjust the frequency and phase
settings
using the OSD menu.
DISPLAY IS DARK
Adjust the brightness and contrast settings
using the OSD menu.
IMAGE IS NOT
CENTERED
Adjust the horizontal and vertical position
settings using the OSD menu.
“OUT OF RANGE”
MESSAGE POPS UP
Check to make sure the resolution and the
frequency of the monitor are set within the
range require by your computer’s video port.