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Warning Signal
If you see warning messages on your screen, this means that the display
cannot receive a clean signal from the computer graphics card.
Below are the three kinds of Warning Signal. Please check the cable
connections or contact your local dealer or our service center for more
information.
No Signal
This message means that the display has been powered on but it cannot
receive any signal from the computer graphics card. Check all the power
switches, power cables, and VGA signal cable.
Going to Sleep
The display is under the power saving mode. In addition, the display
will enter power saving mode when experiencing a sudden signal
disconnecting problem.
The monitor can be activated by pressing any keyboard, triggering the
mouse or touching the screen.
Out of Range
This message means that the signal of the computer graphic card is not
compatible with the display. When the signal is not included in the "Video
Modes" list we have listed in the Appendices of this manual, the monitor
will display this message.