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TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the troubleshoot-
ing list below to see if you can self-diagnose the problem.
(VGA Mode)
Problems
Current Status
No Picture LED ON
LED OFF
LED displays
amber color
Abnormal
Unstable Picture ·
Picture
Display is
missing, center
shift, or too
small or too
large in display
size
Remedy
·
Using OSD, adjust brightness and contrast
to maximum or reset to their default settings.
·
Check the power switch.
·
Check if AC power cord is properly
connected to the monitor.
·
Check if video signal cable is properly
connected at the back of monitor.
·
Check if the power of computer system is
ON.
Check if the specification of graphics
adapter and monitor is in compliance which
may be causing the input signal frequency
mismatch.
·
Using OSD, adjust RESOLUTION, CLOCK,
CLOCK-PHASE, H-POSITION and V-
POSITION with non-standard 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.
EN-19
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