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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 cord 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. See IMAGE
•
SETTING on page 29 (for VGA source) or page 30 (for video signals).
The displayed texts are
blurry.
For VGA input, touch
•
on the keypad to auto-adjust the display.
Adjust the IMAGE SETTING (see page 29).
•
The OSD menu can’t be
called out.
The OSD is locked; unlock the OSD (see page 18).
•
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 (see page 18 or 35).
•
Check if AUDIO is set to OFF (see page 35).
•
For VGA or DVI input, check the audio setting of the computer.
•
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.
