ENGLISH
24
TRoUblesHooTInG
TRoUblesHooTInG
Check the following before calling for service.
nothing is displayed on the screen.
Is the monitor's power cord
plugged in?
y
Check if the power cord is correctly plugged into the power outlet.
Is the power indicator on?
y
Check the power cable connection and press the power button.
Is the power on and the power
indicator displaying red?
y
Check that the connected input is enabled (Menu - Input).
Is the power indicator blinking?
y
If the monitor is in power-saving mode, move the mouse, or press any
key on the keyboard, to switch the display on.
y
Check if the computer is turned on.
Is the
oUT of RanGe
mes-
sage being displayed?
y
This occurs when signals transferred from the PC (video card) are out
of the horizontal or vertical frequency range of the monitor. Please see
the Product Specification section of this manual to set the appropriate
frequency.
Is the
no signal
message be-
ing displayed?
y
This is displayed when the signal cable between the PC and the
monitor is missing or disconnected. Check the cable and reconnect it.
The screen retains an image.
Does image sticking occur even
when the monitor is turned off?
y
Displaying a still image for a prolonged time may cause damage to the
screen, resulting in the retention of the image.
y
To extend the lifetime of the monitor, use a screensaver.
y
y
Vertical frequency:
In order to display an image, the screen must be refreshed dozens of times per
second like a fluorescent lamp.
The number of times the screen is refreshed per second is called vertical frequency or refresh rate
and is represented by Hz.
y
y
Horizontal frequency:
The time it takes to display one horizontal line is called the horizontal cycle.
The number of horizontal lines displayed in one second can be calculated by dividing one by the hori-
zontal cycle. This is called horizontal frequency and is represented by kHz.
noTe
