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Q & A
First try the following list of possible problems and solutions.
If the symptom continues, turn the TV off, and call your nearest service center.
Symptom Possible Problem Possible Solution
“No input signal” message
appears.
Vertical bars appear.
Vertical lines and letters are
blurred.
Entire screen flickers.
Input signal connection is
incorrect.
Input signal is not
supported by the LCD TV.
Inappropriate frequency.
Inappropriate phase.
Make sure the computer is turned on.
Check the display cable connections.
Check the input signal specifications.
Check the input signal specifications.
Check the display cable specifications.
Perform an automatic adjustment or adjust the
frequency manually.
Perform an automatic adjustment or adjust the phase
manually.
This product has been optimally set at the factory to
watch TV channels. There may be flickering when you
watch still images from a PC. This is not a malfunction of
the product.
Warning
● If a problem has been detected, unplug the power cable from the wall outlet first.
Using the product when it has a fault may cause electric shocks or fire. Do not place objects
near the wall outlet so that you can unplug the power cable if necessary.