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APPENDIX
6.2 Troubleshooting
Problem
No picture.
• LED indicator is OFF.
• LED indicator is
AMBER.
Image position is incorrect.
The displayed texts are
blurry.
The OSD menu can't be
called out.
Red, blue, green, white
dots appear on screen.
No audio output.
Cannot adjust backlight
setting.
The displayed picture looks
distorted.
Dew formed on or inside
the LCD display.
Mist formed inside the
glass surface.
Faint shadows from a
static image appear on the
screen.
Possible Cause and Solution
• Check if the LCD display is turned ON.
• Check if the power adapter is properly connected to the LCD display.
• Check if the power cord is plugged into the power outlet.
• Check if the computer is turned ON.
• Check if the computer is in standby mode, move the mouse or press
any key to wake up the computer.
• Adjust the H. POSITION and V. POSITION values. Refer to IMAGE
SETTING on page 28.
• For VGA input, touch
• Adjust the IMAGE SSETTING, refer to page 17.
• The OSD is locked. To unlock the OSD, refer to page 16.
• There are millions of micro transistors inside the LCD display. It is
normal for a few transistors to be damaged and to produce spots. This
is acceptable and is not considered a failure.
• Check if the volume is set to 0, refer to Audio Mute on page 16.
• Check if the AUDIO SETTING > AUDIO setting is set to OFF (refer to
page 16).
• For VGA or DVI input, check the audio setting of the computer.
• For HDMI or DP input, select the correct audio input source, refer to
page 32.
• The Eco Smart feature is enabled. Set the ECO SMART > ENABLE
setting to OFF to disable the Eco Smart feature, refer to page 35.
• Adjust the aspect ratio, refer to page 29.
• This normally happens when the LCD display is moved a cold room to
a hot room temperature. Do not turn ON the LCD display, wait for the
dew condensation to disappear.
• This happens due to humid weather conditions. This is a normal
occurrence. The mist will disappear after a few days or as soon as the
weather stabilizes
• Turn off the LCD display for extended periods of time.
• Use a screen saver or a black and white image and run it for extended
periods of time.
38
on the keypad to auto-adjust the display.
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