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An instruction or caution screen is displayed...
Symptom
A caution message is
displayed on the screen.*
Attention !
No Signal
Please check input signal or Connection.
Out of Range
A temperature warning is
displayed on the screen.
Warning!!
The internal temperature is high. Please check the ambient temperature.
*1 Depending on the computer, a proper signal may not be output immediately after changing the resolution or the frequency and the caution
may be displayed for a while. In such a case, wait for a while. If the screen display returns to normal, it means the input signal is correct.
Others (when connected to a computer)
Symptom
Cannot change the resolution
or the number of colors / The
resolution or the number of
colors is fixed.
Others (remote control, speakers)
Symptom
The remote control is not
functioning.
The video is displayed
but there is no sound.
Cause
The signal cable may not be connected
1
properly to the input or output terminals
of the monitor or the computer.
The HDMI input may have switched.
The signal cable may be damaged.
The computer may be turned off.
The power management function of
the computer may be functioning.
An improper signal may be input to the
monitor.
A signal with a resolution higher than
the resolution supported by the monitor
may be input.
The ambient temperature exceeds the
operation guaranteed temperature.
Sometimes, the signal cannot be input and
output.
The video card driver may not be correctly
recognized by the OS.
● The batteries may be drained.
● Check that the batteries are inserted correctly (check the + and - sides).
● The [IR Lock Settings] may be set to [Mode 1] or [Mode 2].
● Check that the audio cable is correctly connected. Check also that the audio
balance is not fully set to one side only. If the balance is set to one side only, set
it to the center.
● The sound may be muted. Press the MUTE button on the remote control or the
main unit and check that the sound is output.
● The volume may be set to the minimum. Adjust the volume using the + and -
buttons on the main unit or the VOL + and - buttons on the remote control.
Check that the signal cable is securely
connected between the input terminal
of the monitor and the output terminal
of the connected device.
Set the [CEC] setting under [Setup] ->
[HDMI Settings] to [Off].
Check that the signal cable is not
damaged.
Check that the computer is turned on.
Move the mouse or press a key on the
keyboard.
Change the frequency of the input
signal or the resolution of the
computer.
Change the frequency of the input
signal or the resolution of the
computer.
Turn off the power of the monitor since
this problem may cause a malfunction.
Cause
Cause and solution
English - 61
Solution
Solution
Restart the monitor and the computer.
Reinstall the video card driver. For more
information on the reinstallation procedure,
refer to the computer manual or the support
service for the computer.
Reference
P.28
P.73
P.64
P.64
P.74
Reference
P.11,
P.74
P.24,
P.26,
P.72
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