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68
Troubleshooting
Troubleshooting
Problem
No picture
No sound
The computer input image
looks strange
The control panel buttons
do not work
Check the following:
Is the display turned on? Check the power indicator of the
display.
Is the signal source device turned on? Turn on the device and
try again.
Are there any loose cable connections? Make sure that all
cables are connected firmly.
Have you chosen an unsupported output resolution on the
computer? Refer to
page 67
to select a supported resolution and try again.
Have you chosen an unsupported output resolution on the
DVD or Blu-ray disc player? Refer to
resolution on page 67
and try again.
Check the following:
Have you turned on the mute function on the display or the
input source device? Turn off the mute function or increase
the audio volume level and try again.
Are there any loose cable connections? Make sure that all
cables are connected firmly.
Have you chosen an unsupported output resolution on the
computer? Refer to
page 67
to select a supported resolution and try again.
Use the Auto function (VGA only) to let the display
automatically optimize the display of computer image.
If the result of the Auto function is not satisfactory, use the
Phase, H Position and V Position functions to manually adjust
the image.
Have you locked the control panel buttons? Unlock
thebuttons and try again.
Solution
Supported input signal resolution on
Supported input signal
to select a supported resolution
Supported input signal resolution on
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