TRoUblesHooTInG 27
TRoUblesHooTInG
ENGLISH
nothing is displayed on the screen.
Is the monitor's power cord

y Check if the power cord is correctly plugged into the power outlet.
plugged in?
Is the power LED on?

y Check the power cable connection and press the power button.
Is the power on and the power

y Check that the connected input is enabled (Menu - Input).
LED displaying white?
Is the power LED blinking?

y If the monitor is in sleep 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-

y This occurs when signals transferred from the PC (video card) are
sage being displayed?
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-

y This is displayed when the signal cable between the PC and the
ing displayed?
monitor is missing or disconnected. Check the cable and reconnect
it.
The screen may not be dis-

y DisplayPort 1.2 may not be supported depending upon the Mac
played properly when
product. Please contact the manufacturer.
configuring DisplayPort 1.2 in a
Mac product.
The osD lock message is being displayed.
Are some functions not avail-

y The OSD is locked. Go to Menu > Settings and set osD lock to Off.
able when you press the Menu
button?
The screen retains an image.
Does image sticking occur even

y Displaying a still image for a prolonged time may cause damage to
when the monitor is turned off?
the screen, resulting in the retention of the image.

y To extend the lifetime of the monitor, use a screensaver.
screen display is unstable and shaky / Images displayed on the monitor leave shadow trails.
Did you select the appropriate

y If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the
resolution?
screen may be flickering. Change the resolution to 1080P or the
recommended resolution.
no Te

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 Horizontal frequency: The time it takes to display one horizontal line is called the horizontal cycle. If
1 is divided by the horizontal interval, the result is the number of horizontal lines displayed per second.
This is called horizontal frequency and is represented by kHz.

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