Troubleshooting - AOpen 22CX1Q User Manual

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
No picture visible
Unstable picture
Abnormal picture
LED status
Blue
Off
Orange
Image is missing,
off-center, too
large or too small
on the screen.
Remedy
Using the OSD, adjust brightness and
contrast to maximum or reset to their default
settings.
Check the power switch.
Check if the power cord is properly
connected to the monitor.
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.
Check if the specification of graphics adapter
and monitor is in compliance which may
be causing the input signal frequency
mismatch.
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
off the monitor.
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