16
Troubleshooting
Before sending your LCD monitor for servicing, please check the troubleshooting list
below to see if you can self-diagnose the problem
VGA mode
Problem LED status Remedy
No picture visible Blue Using the OSD, adjust brightness and
contrast to maximum or reset to their default
settings.
O Check the power switch.
Check if the power cord is properly
connected to the monitor.
Orange Check if the video signal cable is properly
connected at the back of monitor.
Check if the computer system is switched on
and in power saving/standby mode.
Unstable picture Check if the specication of graphics adapter
and monitor is in compliance which may
be causing the input signal frequency
mismatch.
Abnormal picture Image is missing,
o-center, too
large or too small
on the screen.
Using the OSD, adjust focus, clock,
H-position and V-position with non-standard
signals.
Check the display setting on your system.
In case of a missing image, please select
another resolution or vertical refresh rate.
Wait for a few seconds after adjusting
the size of the image before changing or
disconnecting the signal cable or switching
o the monitor.