EN-16

TROUBLESHOOTING

Before sending your LCD monitor for servicing, please check the trouble-

shooting list below to see if you can self-diagnose the problem.

(VGA Mode)

Problems Current Status Remedy
No Picture LED ON zUsing OSD, adjust brightness and
contrast to maximum or reset to
their default settings.
LED OFF zCheck the power switch.
zCheck if AC power cord is properly
connected to the monitor.
LED displays amber color zCheck if video signal cable is
properly connected at the back of
monitor.
zCheck if the power of computer
system is ON.
Abnormal
Picture
Unstable Picture zCheck if the specification of graphics
adapter and monitor is in
compliance which may be causing
the input signal frequency
mismatch.
Display is missing, center
shift, or too small or too
large in display size
zUsing OSD, adjust RESOLUTION,
CLOCK, CLOCK-PHASE, H-POSITION
and V-POSITION with non-standard
signals.
zUsing OSD, in case of missing full-
screen image, please select other
resolution or other vertical refresh
timing.
zWait for a few seconds after
adjusting the size of the image
before changing or disconnecting
the signal cable or powering OFF the
monitor.