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APPENDIX
6.2 Troubleshooting
Problem
Possible Cause and Solution
No picture.
• LED indicator is OFF.
• 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.
• LED indicator is
AMBER.
• 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.
Image position is incorrect.
• Adjust the H. POSITION and V. POSITION values. Refer to IMAGE
SETTING on 32.
The displayed texts are
blurry.
• For VGA input, touch
on the keypad to auto-adjust the display.
• Adjust the Auto Adjustment Function, refer to 21.
The OSD menu can’t be
called out.
• The OSD is locked. To unlock the OSD, refer to page 20.
Red, blue, green, white
dots appear on screen.
• 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.
No audio output.
• Check if the volume is set to 0, refer to Audio Mute on page 20.
• Check if the
AUDIO SETTING
>
AUDIO
setting is set to
OFF
(refer to
page 36).
• 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 40.
Cannot adjust backlight
setting.
• The Eco Smart feature is enabled. Set the
ECO SMART
>
ENABLE
setting to
OFF
to disable the Eco Smart feature, refer to page 39.
The displayed picture looks
distorted.
• Adjust the aspect ratio, refer to page 33.
Dew formed on or inside
the LCD display.
• 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.
Mist formed inside the
glass surface.
• 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
Faint shadows from a
static image appear on the
screen.
• 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.
