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ENGLISH
36
TROUBLESHOOTING
TROUBLESHOOTING
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 white?
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 OSD Locked message is being displayed.
Are some functions not avail-
able when you press the Menu
button?
y
The OSD is locked. Go to Menu > Settings and set OSD Lock to Off.
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.
Screen display is unstable and shaky / Images displayed on the monitor leave shadow trails.
Did you select the appropriate
resolution?
y
If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the
screen may be flickering. Change the resolution to 1080P or the
recommended resolution.
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 Hz.
NOTE