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Troubleshooting
Problem
Possible Cause Solution
“No Signal” is
displayed on screen.
Monitor video cable is
disconnected.
Connect the 15-pin
monitor video cable to
the computer. Be sure
that the computer power
is on.
“Out of Frequency” is
displayed on screen.
Video resolution and/or refresh
rate are set higher than what
your monitor supports.
Restart your computer
and enter Safe Mode.
Change your settings to
a supported setting (see
“Technical
Specifications”). Restart
your computer so that
the new settings take
effect.
Monitor is overheating.
There is not enough air space to
allow proper ventilation.
Leave at least 3 inches
(76 mm) of ventilation
space around the
monitor, and do not
place objects on top of
the monitor.
Reference Guide A-3