User`s manual

22
Chapter 4 Troubleshooting
Chapter4 Troubleshooting
If a problem still remains after applying the suggested remedies, contact your local dealer.
• No-picture problems → See No.1 - No.2.
• Imaging problems (digital input) → See No.6 - No.11.
• Imaging problems (analog input) → See No.3 - No.11.
• Other problems → See No.12 - No.14.
Problems Possiblecauseandremedy
1.
Nopicture
Power indicator does not light.
Check whether the power cord is connected correctly. If
the problem persists, turn off the monitor, and then turn it
on again a few minutes later.
Press
.
Power indicator is lighting blue. Set each adjusting value in <Brightness>, <Contrast>
and <Gain> to higher level. (page 17)
Power indicator is lighting orange. Switch the input signal with
.
Operate the mouse or keyboard.
Turn on the PC.
2. Themessagebelowappears. This message appears when the signal is not input
correctly even when the monitor functions properly.
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 properly.
Switch the input signal with
.
When inputting a sync-on-green signal, the [SoG] setting
for the monitor must be changed in advance (for analog
signal). (page 10)
The message below 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 frequency settings for the
monitor. (page 10)
Reboot the PC.
Select an appropriate display mode using the graphics
board’s utility software. 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. Displaypositionisincorrect.
Adjust image position so that it is displayed properly
within the display area using the <Hor.Position> and
<Ver.Position> adjustment.
If the problem persists, use the graphics board’s utility
software if available to change the display position.
4. Verticalbarsappearonthescreenorapartofthe
imageisickering.
Adjust using <Clock>. (page 14)
5. Wholescreenisickeringorblurring.
Adjust using <Phase>. (page 14)