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2020
Troubleshooting
Check the following before calling for service.
Do you see a "OSD LOCKED" message on the screen?
● Is the power cord of
the display onnected?
● Is the power indicator
light on?
● Is the power indicator
flickering?
● Do you see an "OUT
OF RANGE" message
on the screen?
•
Check and see if the power cord is connected
properly to the power outlet.
•
Press the Power button.
•
If the display is in power saving mode, try moving
the mouse or pressing any key on the keyboard to
bring up the screen.
• Try to turn on the PC
.
•
This message appears when the signal from the
PC (video card) is out of horizontal or vertical
frequency range of the display. See the
'Specifications' section of this manual and
configure your display again.
• You can secure the current control settings,
so that they cannot be inadvertently changed.
You can unlock the OSD controls at any time
by pushing the MENU button for several
seconds: the message
“OSD UNLOCKED” will appear.
●
Do you see “OSD
LOCKED” when you
push MENU button?