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Troubleshooting
Problem
No picture
No sound
The computer input image
looks strange
The control panel buttons do
not work
The remote control does 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 Supported input signal resolution on page 60
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 Supported input signal resolution
on page 60 to select a supported resolution 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 Supported input signal resolution on page 60
to select a supported resolution and try again.
• Use the Auto Adjustment function (See Adjust Screen on page
38) to let the display automatically optimize the display of
computer image.
• If the result of the Auto Adjustment function is not satisfactory,
use the Clock Frequency, Phase, H. Position and V. Position
functions to manually adjust the image.
Have you locked the control panel buttons? Unlock the buttons and
try again.
• Have you locked the remote control function? Unlock the function
and try again.
• Check for incorrect battery orientation.
• Check for dead batteries.
• Check your distance and angle from the display.
• Check whether remote control is properly being pointed at the
display's remote control sensor window.
• Check for any obstacle between the remote control and the
remote control sensor window.
• Check that the remote control sensor window is not under strong
fluorescent lighting, or in direct sunlight.
• Check for any devices (computer or personal digital assistant,
PDA) nearby that transmit infrared signals which may cause
interference to signal transmission between the remote control
and the display. Turn off the infrared function of these devices.
Troubleshooting
Solution
63
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