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33
ENGLISH
TROUBLESHOOTING
Nothing is displayed on the screen.
Is the monitor's power cord plugged
in?
• Check if the power cord is correctly plugged into the power outlet.
Is the power LED on? • Check the power cable connection and press the power button.
Is the power on and the power LED
displaying white?
• Check that the connected input is enabled (Menu - Quick Settings - Input).
Is the power LED blinking? • If the monitor is in sleep mode, move the mouse, or press any key on the keyboard, to
switch the display on.
• Check if the computer is turned on.
Is the OUT OF RANGE message
being displayed?
• This occurs when signals transferred from the PC (graphics 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 being
displayed?
• 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 may not be displayed
properly when configuring
DisplayPort 1.2 in a Mac product.
• DisplayPort 1.2 may not be supported depending upon the Mac product. Please
contact the manufacturer.
The OSD Lock message is being displayed.
Are some functions not available
when you press the Menu button?
• The OSD is locked. Go to Menu > General and set OSD Lock to Off.
The screen retains an image.
Does image sticking occur even when
the monitor is turned off?
• Displaying a still image for a prolonged time may cause damage to the screen,
resulting in the retention of the image.
• 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?
• 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.
NOTE
• 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.
• 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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