
22
Troubleshooting
Before sending your LCD monitor for servicing, please check the troubleshooting list
below to see if you can self-diagnose the problem.
Problem
Current Status Remedy
LED ON
·Using OSD, adjust brightness and contrast to
maximum or reset to their default setting.
·Check the power switch.
LED OFF
·Check if AC power cord is properly
connected to the AC adapter.
·Check if video signal cable is properly
connected at the back of monitor.
No
Picture
LED Blinking
·Check if the power to computer system is ON.
Unstable Picture
·Check if the specification of graphics adapter
and monitor is in compliance which may be
causing the input signal frequency mismatch.
·Using Auto adjust button, if still display
abnormal picture then adjust Frequency,
Clock -Phase, H-Position and V-Position
with non-standard signals.
·Using OSD, in case of missing full-screen
image, please select other resolution in your
Operating System (Windows 95/98, NT) or
other vertical refresh timing.
Abnormal ·
Picture
Display is missing,
center shift, or too
small or too large
in display size
·Must wait for a few seconds after adjusting
the size of the image before changing or
disconnecting the signal or powering OFF the
monitor.
For more update information on our monitor
http://www.advancorp.com
Tech Support : 1-888-786-1688
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