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[LG Monitor Screen] Screen displays something and then it disappears immediately

Troubleshooting

Check if the power cord is correctly connected to the multi tab and if the monitor adapter is accurately inserted.

Causes and Symptoms

  • The power cord(adapter) and the signal cable connections are poor.
  • PC video signal is cut off.

Try this

Did you check the power cord and the monitor adapter connections?

➔ Check if the power cord is correctly connected to the multi tab and if the monitor adapter is accurately inserted.

Check if the power cord is correctly connected to the multi tab and if the monitor adapter is accurately inserted.
Did you remove the connected cable and check the contact?

➔ Check if internal metal pins are bent or there are alien substances and if so, replace it with an authentic cable.

Did you remove the connected cable and check the contact?
Did you connect it with the cable included in the product package provided when purchasing it.
If you use a cable out of the product specs, then it can cause screen blinking and no display and so on.
Did you connect it with the cable included in the product package provided when purchasing it.
Did you check if the [Setting Menu] screen is displayed properly?

➔ Press the Product [Menu] button to see if you can see the setting menu screen.

If the setting menu window appears, then check the cable or PC instead of checking the monitor.

Press the Product [Menu] button to see if you can see the setting menu screen.

※ If the same problem persists after the above remedies, then have it accurately inspected by an LG Electronics technician.

This guide was created for all models, so the images or content may be different from your product.

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