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LG Monitor - Troubleshooting No Signal

  • Troubleshooting

At a Glance

If No Signal is displayed on your monitor, this can be caused by an improperly connected cable, incorrect input, or a defect with the product.

Try This

  1. Check the cable and input for damage or foreign objects

    1 Replace the cable, if damaged, with an authentic cable and clean away any foreign objects.

    image showing the different type of connectors and their pins
  2. Disconnect and Reconnect the External Device

    1 Disconnecting and reconnecting the connected cable will refresh the connection and resolve any communication issues. Unplug the cable of the external device connected to the monitor for 3 seconds then plug it back in.

    image showing the cable beign re connected to the TV port

    2 Press the power button to turn the unit on.

    image showing the power button on the different types of monitors
  3. Switch to a Different Input

    1 If applicable, switch the connected cable to a different input to see if the picture is resolved. If unable to switch to a different input, swap out the cable to see if the picture is restored.

    image showing the input menu showing the different inputs available

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