Before sending your LCD monitor for servicing, please check the
troubleshooting list below to see if you can self-diagnose the problem.
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Using the OSD, adjust brightness and
contrast to maximum or reset to their
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
Check if the computer system is
switched on and in power saving/
Check if the specification of graphics
adapter and monitor is in compliance
which may be causing the input signal
Image is missing,
Using the OSD, adjust focus, clock, H-
position and V-position with non-
large or too
small on the
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.