A14
Troubleshooting
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Check the following before calling for service.
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Is the power cord of the
display connected?
Is the power indicator
light on?
Is the power on and the
power indicator blue?
Is the power indicator
amber?
Do you see an "INPUT
SIGNAL OUT OF
RANGE" message on
the screen?
Do you see a "NO
SIGNAL "message on
the screen?
Do you see a "OSD LOCKED" message on the screen?
Check and see if the power cord is connected
properly to the power outlet.
Press the Power button.
Adjust the brightness and the contrast.
If the display is in power saving mode, try moving
the mouse or pressing any key on the keyboard
to bring up the screen.
Make sure if the power is on.
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.
This message appears when the signal cable
between your PC and your display is not
connected. Check the signal cable and try 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
5 seconds: the message
“OSD UNLOCKED”
will appear.
Do you see “OSD
LOCKED” when you
push MENU button?
Summary of Contents for Flatron L1722P
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