Troubleshooting - LG 27HJ712C Owner's Manual

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TROUBLESHOOTING

Nothing is displayed on the screen.
Is the monitor's power cord plugged in?
Is the power LED on?
Is the power on and the power LED
displaying white?
Is the power LED blinking?
Is the OUT OF RANGE message being
displayed?
Is the No Signal message being
displayed?
The OSD Lock message is being displayed.
Are some functions not available when
you press the Menu button?
The screen retains an image.
Does image sticking occur even when the
monitor is turned off?
Screen display is unstable and shaky. / Images displayed on the monitor leave shadow trails.
Did you select the appropriate resolution?
•
Check if the power cord is correctly plugged into the power outlet.
•
Check the power cable connection and press the power button.
•
Check that the connected input is enabled (Menu > Quick Settings >
Input).
•
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.
•
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.
•
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 is locked. Go to Menu > General and set OSD Lock to 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.
•
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.