31
Chapter 5 Troubleshooting
Chapter 5 Troubleshooting

If a problem still remains after applyi ng the suggested remedies, contact your local dealer.

No-picture problems → See No.1 - No.2.

Imaging problems (digital input) → See No.3 - No.8.

Imaging problems (analog input) → See No.3 - No.12.

Other problems → See No.13 - No.16.

Problems Possible cause and remedy
1. No picture
Power indicator does not light.• Check whether the power cord is connected co rrectly.
Turn off the main power, and then turn it on again a
few minutes later.
Turn the main power switch on.
Press .
•
•
•
•
Power indicator lights blue.• Set each adjusting value in [Brightness], [Contrast]
and [Gain] to higher level. (page 20, 22)
•
Power indicator lights orange.• Switch the input signal with .
Operate the mouse or keyboard.
Check whether the PC is turned on.
•
•
•
2. The message b elow appears. This message appears when the signal is not input
correctly even when the monitor functions pr operly.
This message appears when no signal is input.
Example:
• The message shown left may appear, because some
PCs do not output the signal soon after power-on.
Check whether the PC is turned on.
Check whether the signal cable is connected pro perly.
Switch the input signal with .
•
•
•
•
The message shows that the input signal is out of the
specied frequency range. (Such signal frequency is
displayed in red.)
Example:
• Check whether the signal setting of your PC matches
the resolution and the vertical freque ncy settings
for the monitor. (refer to the Setup Manual “Setting
Screen Resolution”)
Reboot the PC.
Select an appropriate display mode using the
graphics board’s utility. Refer to the manual of the
graphics board for details.
fD : Dot Clock
(Displayed only when the digital signal inputs)
fH : Horizontal Frequency
fV : Vertical Frequency
•
•
•
3. The screen is too b right or too dark. Adjust using [Brightness] or [Contrast]. (The LCD
monitor backlight has a xed life span. When the
screen becomes dark or begins to icker, contact your
local dealer.)
Turn on the Auto EcoView function. The monitor
detects the environmental brightness to adjust the
screen brightness automatically.
•
•
•
•
•
•