At a Glance
If your monitor powers on but doesn’t display an image when connected to an external device, there are a few troubleshooting steps you can perform to help correct this issue.
Try This
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Confirm the Monitor is Receiving Power
Press and hold the [POWER] button on the monitor.
If it is receiving power, the screen should light up after a few seconds and display a No Signal messageNoteIf the monitor screen does not light up, please see our LG Monitor - Troubleshooting No Power article for further assistance
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Perform a Hard Reset
1 Disconnect all connected cables (HDMI, DisplayPort, etc.) and the power cord from the monitor.
2 With the items disconnected, press and hold the power button for 10 seconds.
3 Reconnect cables and the power cord.
4 Press the joystick to power on the unit and see if the connection is restored.
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Switch to a Different Input
If applicable, switch the connected cable to a different input to see if the picture is resolved.
You can also swap out the cable to see if the picture is restored.
Need to contact us?
If the problem continues, service will be required for a proper diagnosis. Request a repair with our 24/7 Chat Support.
