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Chapter 6: 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. For •

VGA source, see IMAGE SETTING on page 33; for Video

signals, see ASPECT RATIO on page 36.

The displayed texts are

blurry.

For VGA input, touch •

on the keypad to auto-adjust the

display.

Adjust the IMAGE SETTING (see page 34).•

The OSD menu can’t be

called out.

The OSD is locked; unlock the OSD (see page 24).•

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 23 or 41).•

Check if AUDIO is set to OFF (see page 41).•

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.•

Run the Anti-Burn-In function (see page 39).•

Use a screen saver or a black and white image and run it •

for extended periods of time.

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